Testing Pembrolizumab Versus Observation in Patients With Merkel Cell Carcinoma After Surgery, STAMP Trial

Laura and Isaac Perlmutter Cancer Center at NYU Langone, New York

Stony Brook University Medical Center, Stony Brook

University of Rochester, Rochester

University of Pittsburgh Cancer Institute (UPCI), Pittsburgh

UPMC-Shadyside Hospital, Pittsburgh

UPMC-Passavant Hospital, Pittsburgh

UPMC Cancer Center-Washington, Washington

UPMC Washington Hospital Radiation Oncology, Washington

UPMC Cancer Centers - Arnold Palmer Pavilion, Greensburg

UPMC Hillman Cancer Center - Part of Frick Hospital, Mount Pleasant

UPMC Cancer Center at UPMC Horizon, Farrell

Geisinger Medical Group, State College

Lewistown Hospital, Lewistown

Geisinger Medical Center, Danville

Geisinger Medical Oncology-Lewisburg, Lewisburg

Geisinger Medical Oncology-Selinsgrove, Selinsgrove

Geisinger Cancer Services-Pottsville, Pottsville

Lehigh Valley Hospital - Muhlenberg, Bethlehem

Lehigh Valley Hospital-Cedar Crest, Allentown

Geisinger Medical Center-Cancer Center Hazleton, Hazleton

Lehigh Valley Hospital-Hazleton, Hazleton

Pocono Medical Center, East Stroudsburg

Community Medical Center, Scranton

Geisinger Wyoming Valley/Henry Cancer Center, Wilkes-Barre

University of Pennsylvania/Abramson Cancer Center, Philadelphia

Thomas Jefferson University Hospital, Philadelphia

Fox Chase Cancer Center, Philadelphia

MedStar Georgetown University Hospital, Washington D.C.

Sibley Memorial Hospital, Washington D.C.

MedStar Franklin Square Medical Center/Weinberg Cancer Institute, Baltimore

Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore

Inova Schar Cancer Institute, Fairfax

University of Virginia Cancer Center, Charlottesville

VCU Massey Comprehensive Cancer Center, Richmond

Wake Forest University at Clemmons, Clemmons

Wake Forest University Health Sciences, Winston-Salem

Duke University Medical Center, Durham

East Carolina University, Greenville

Wake Forest Baptist Health - Wilkes Medical Center, Wilkesboro

Wake Forest Baptist Health - Hematology Oncology - Statesville, Statesville

Margaret R Pardee Memorial Hospital, Hendersonville

Messino Cancer Centers, Asheville

North Grove Medical Park, Spartanburg

Spartanburg Medical Center, Spartanburg

Spartanburg Medical Center - Mary Black Campus, Spartanburg

Gibbs Cancer Center-Gaffney, Gaffney

SMC Center for Hematology Oncology Union, Union

Medical University of South Carolina, Charleston

Tidelands Georgetown Memorial Hospital, Georgetown

Saint Francis Hospital, Greenville

Saint Francis Cancer Center, Greenville

Gibbs Cancer Center-Pelham, Greer

Saint Joseph's/Candler - Bluffton Campus, Bluffton

Emory University Hospital Midtown, Atlanta

Emory University Hospital/Winship Cancer Institute, Atlanta

Emory Saint Joseph's Hospital, Atlanta

Lewis Cancer and Research Pavilion at Saint Joseph's/Candler, Savannah

Summit Cancer Care-Candler, Savannah

Orlando Health Cancer Institute, Orlando

University of Miami Miller School of Medicine-Sylvester Cancer Center, Miami

UM Sylvester Comprehensive Cancer Center at Coral Gables, Coral Gables

Miami Cancer Institute, Miami

UM Sylvester Comprehensive Cancer Center at Aventura, Aventura

Holy Cross Hospital, Fort Lauderdale

UM Sylvester Comprehensive Cancer Center at Plantation, Plantation

UM Sylvester Comprehensive Cancer Center at Deerfield Beach, Deerfield Beach

Moffitt Cancer Center-International Plaza, Tampa

Moffitt Cancer Center - McKinley Campus, Tampa

Moffitt Cancer Center, Tampa

Regional Cancer Center-Lee Memorial Health System, Fort Myers

University of Alabama at Birmingham Cancer Center, Birmingham

University of Tennessee - Knoxville, Knoxville

Mercy Health - Paducah Cancer Center, Paducah

Ohio State University Comprehensive Cancer Center, Columbus

UH Seidman Cancer Center at UH Avon Health Center, Avon

Geauga Hospital, Chardon

UH Seidman Cancer Center at Lake Health Mentor Campus, Mentor

Case Western Reserve University, Cleveland

MetroHealth Medical Center, Cleveland

UHHS-Chagrin Highlands Medical Center, Beachwood

University Hospitals Parma Medical Center, Parma

UH Seidman Cancer Center at Southwest General Hospital, Middleburg Heights

Cleveland Clinic Cancer Center Strongsville, Strongsville

UH Seidman Cancer Center at Saint John Medical Center, Westlake

Cleveland Clinic Foundation, Cleveland

University Hospitals Portage Medical Center, Ravenna

University Hospitals Sharon Health Center, Wadsworth

Cleveland Clinic Wooster Family Health and Surgery Center, Wooster

North Coast Cancer Care, Sandusky

UH Seidman Cancer Center at Firelands Regional Medical Center, Sandusky

University of Cincinnati Cancer Center-West Chester, West Chester

University of Cincinnati Cancer Center-UC Medical Center, Cincinnati

Indiana University/Melvin and Bren Simon Cancer Center, Indianapolis

Memorial Hospital of South Bend, South Bend

Henry Ford Saint John Hospital - Macomb Medical, Macomb

Henry Ford Warren Hospital - Breast Macomb, Macomb

Henry Ford River District Hospital, East China Township

Huron Medical Center PC, Port Huron

Lake Huron Medical Center, Port Huron

Advanced Breast Care Center PLLC, Warren

Henry Ford Health Warren Hospital, Warren

Henry Ford Madison Heights Hospital - Breast, Warren

Henry Ford Warren Hospital - GLCMS, Warren

Macomb Hematology Oncology PC, Warren

Trinity Health Saint Joseph Mercy Hospital Ann Arbor, Ann Arbor

Huron Gastroenterology PC, Ypsilanti

Trinity Health IHA Medical Group Hematology Oncology - Brighton, Brighton

Trinity Health Medical Center - Brighton, Brighton

Chelsea Hospital, Chelsea

Trinity Health IHA Medical Group Hematology Oncology - Chelsea Hospital, Chelsea

Hope Cancer Clinic, Livonia

Trinity Health Saint Mary Mercy Livonia Hospital, Livonia

Trinity Health IHA Medical Group Hematology Oncology - Canton, Canton

Trinity Health Medical Center - Canton, Canton

Trinity Health IHA Medical Group Hematology Oncology Ann Arbor Campus, Ypsilanti

Henry Ford Health Saint John Hospital, Detroit

Henry Ford Saint John Hospital - Academic, Grosse Pointe Woods

Henry Ford Saint John Hospital - Breast, Grosse Pointe Woods

Henry Ford Saint John Hospital - Van Elslander, Grosse Pointe Woods

Henry Ford Rochester Hospital, Rochester Hills

Bhadresh Nayak MD PC-Sterling Heights, Sterling Heights

Hope Cancer Center, Pontiac

Michigan Healthcare Professionals Pontiac, Pontiac

Newland Medical Associates-Pontiac, Pontiac

Trinity Health Saint Joseph Mercy Oakland Hospital, Pontiac

Hematology Oncology Consultants-Clarkston, Clarkston

Newland Medical Associates-Clarkston, Clarkston

Saint Mary's Oncology/Hematology Associates of Marlette, Marlette

Cancer Hematology Centers - Flint, Flint

Genesee Hematology Oncology PC, Flint

Genesys Hurley Cancer Institute, Flint

Hurley Medical Center, Flint

MyMichigan Medical Center Saginaw, Saginaw

Oncology Hematology Associates of Saginaw Valley PC, Saginaw

Saint Mary's Oncology/Hematology Associates of West Branch, West Branch

Caro Cancer Center, Caro

MyMichigan Medical Center Tawas, Tawas City

University of Michigan Health - Sparrow Lansing, Lansing

Bronson Methodist Hospital, Kalamazoo

West Michigan Cancer Center, Kalamazoo

Beacon Kalamazoo Cancer Center, Kalamazoo

Bronson Battle Creek, Battle Creek

Beacon Kalamazoo, Kalamazoo

Corewell Health Lakeland Hospitals - Marie Yeager Cancer Center, Saint Joseph

Corewell Health Lakeland Hospitals - Saint Joseph Hospital, Saint Joseph

Corewell Health Lakeland Hospitals - Niles Hospital, Niles

Trinity Health Muskegon Hospital, Muskegon

Cancer and Hematology Centers of Western Michigan - Norton Shores, Norton Shores

Corewell Health Grand Rapids Hospitals - Butterworth Hospital, Grand Rapids

Corewell Health Grand Rapids Hospitals - Helen DeVos Children's Hospital, Grand Rapids

Trinity Health Grand Rapids Hospital, Grand Rapids

University of Michigan Health - West, Wyoming

Corewell Health Reed City Hospital, Reed City

Munson Medical Center, Traverse City

Iowa Methodist Medical Center, Des Moines

UI Health Care Mission Cancer and Blood - Des Moines Clinic, Des Moines

Broadlawns Medical Center, Des Moines

Iowa Lutheran Hospital, Des Moines

UI Healthcare Mission Cancer and Blood - Fort Dodge, Fort Dodge

Saint Anthony Regional Hospital, Carroll

Heartland Oncology and Hematology LLP, Council Bluffs

Methodist Jennie Edmundson Hospital, Council Bluffs

Mercy Hospital, Cedar Rapids

Oncology Associates at Mercy Medical Center, Cedar Rapids

Froedtert Menomonee Falls Hospital, Menomonee Falls

ProHealth Oconomowoc Memorial Hospital, Oconomowoc

Froedtert West Bend Hospital/Kraemer Cancer Center, West Bend

ProHealth D N Greenwald Center, Mukwonago

ProHealth Waukesha Memorial Hospital, Waukesha

UW Cancer Center at ProHealth Care, Waukesha

Medical College of Wisconsin, Milwaukee

University of Wisconsin Carbone Cancer Center - University Hospital, Madison

Cancer Center of Western Wisconsin, New Richmond

Bellin Memorial Hospital, Green Bay

Saint Vincent Hospital Cancer Center Green Bay, Green Bay

Saint Vincent Hospital Cancer Center at Saint Mary's, Green Bay

Marshfield Medical Center-Marshfield, Marshfield

Marshfield Medical Center - Weston, Weston

Marshfield Medical Center-River Region at Stevens Point, Stevens Point

Marshfield Medical Center - Minocqua, Minocqua

Gundersen Lutheran Medical Center, La Crosse

Marshfield Medical Center-EC Cancer Center, Eau Claire

Mayo Clinic Health System-Eau Claire Clinic, Eau Claire

Essentia Health-Spooner Clinic, Spooner

Duluth Clinic Ashland, Ashland

Northwest Wisconsin Cancer Center, Ashland

Essentia Health-Hayward Clinic, Hayward

Marshfield Medical Center-Rice Lake, Rice Lake

Essentia Health Saint Mary's Hospital - Superior, Superior

ThedaCare Regional Cancer Center, Appleton

Cambridge Medical Center, Cambridge

Essentia Health Sandstone, Sandstone

Lakeview Hospital, Stillwater

Fairview Lakes Medical Center, Wyoming

Regions Hospital, Saint Paul

United Hospital, Saint Paul

Minnesota Oncology Hematology PA-Maplewood, Maplewood

Saint John's Hospital - Healtheast, Maplewood

Minnesota Oncology Hematology PA-Woodbury, Woodbury

Fairview Ridges Hospital, Burnsville

Minnesota Oncology - Burnsville, Burnsville

Monticello Cancer Center, Monticello

Fairview Clinics and Surgery Center Maple Grove, Maple Grove

Fairview Northland Medical Center, Princeton

Ridgeview Medical Center, Waconia

Abbott-Northwestern Hospital, Minneapolis

Hennepin County Medical Center, Minneapolis

Park Nicollet Clinic - Saint Louis Park, Saint Louis Park

North Memorial Medical Health Center, Robbinsdale

Unity Hospital, Fridley

Mercy Hospital, Coon Rapids

Fairview Southdale Hospital, Edina

Health Partners Inc, Minneapolis

Essentia Health - Ely Clinic, Ely

Essentia Health Hibbing Clinic, Hibbing

Essentia Health - Moose Lake Clinic, Moose Lake

Essentia Health Virginia Clinic, Virginia

Essentia Health Cancer Center, Duluth

Essentia Health Saint Mary's Medical Center, Duluth

Miller-Dwan Hospital, Duluth

Saint Luke's Hospital of Duluth, Duluth

Mayo Clinic in Rochester, Rochester

New Ulm Medical Center, New Ulm

Sanford Cancer Center Worthington, Worthington

Rice Memorial Hospital, Willmar

Essentia Health Saint Joseph's Medical Center, Brainerd

Essentia Health - Baxter Clinic, Baxter

Riverwood Healthcare Center, Aitkin

Essentia Health - Park Rapids, Park Rapids

Essentia Health Saint Mary's - Detroit Lakes Clinic, Detroit Lakes

Lake Region Healthcare Corporation-Cancer Care, Fergus Falls

Essentia Health - Fosston, Fosston

Sanford Joe Lueken Cancer Center, Bemidji

Essentia Health - Deer River Clinic, Deer River

Essentia Health - International Falls Clinic, International Falls

Sanford Thief River Falls Medical Center, Thief River Falls

Sanford Cancer Center Oncology Clinic, Sioux Falls

Essentia Health Cancer Center-South University Clinic, Fargo

Sanford South University Medical Center, Fargo

Sanford Medical Center Fargo, Fargo

Sanford Broadway Medical Center, Fargo

Sanford Roger Maris Cancer Center, Fargo

Altru Cancer Center, Grand Forks

Essentia Health - Jamestown Clinic, Jamestown

Sanford Bismarck Medical Center, Bismarck

Billings Clinic Cancer Center, Billings

Saint Vincent Healthcare, Billings

Saint Vincent Frontier Cancer Center, Billings

Benefis Sletten Cancer Institute, Great Falls

Great Falls Clinic, Great Falls

Saint Peter's Community Hospital, Helena

Saint James Community Hospital and Cancer Treatment Center, Butte

Community Hospital of Anaconda, Anaconda

Bozeman Health Deaconess Hospital, Bozeman

Saint Patrick Hospital - Community Hospital, Missoula

Community Medical Center, Missoula

Logan Health Medical Center, Kalispell

Northwestern Medicine Lake Forest Hospital, Lake Forest

UC Comprehensive Cancer Center at Silver Cross, New Lenox

University of Chicago Medicine-Orland Park, Orland Park

Rush-Copley Medical Center, Aurora

Rush-Copley Healthcare Center, Yorkville

Northwestern University, Chicago

Rush MD Anderson Cancer Center, Chicago

University of Chicago Comprehensive Cancer Center, Chicago

Illinois CancerCare-Dixon, Dixon

Illinois CancerCare-Ottawa Clinic, Ottawa

Illinois CancerCare-Peru, Peru

Valley Radiation Oncology, Peru

Illinois CancerCare-Princeton, Princeton

Illinois CancerCare-Galesburg, Galesburg

Western Illinois Cancer Treatment Center, Galesburg

Illinois CancerCare-Kewanee Clinic, Kewanee

Illinois CancerCare-Macomb, Macomb

Illinois CancerCare-Canton, Canton

Illinois CancerCare-Eureka, Eureka

Illinois CancerCare-Pekin, Pekin

OSF Saint Francis Radiation Oncology at Pekin, Pekin

Illinois CancerCare - Washington, Washington

Illinois CancerCare-Peoria, Peoria

OSF Saint Francis Radiation Oncology at Peoria Cancer Center, Peoria

Methodist Medical Center of Illinois, Peoria

OSF Saint Francis Medical Center, Peoria

Illinois CancerCare-Bloomington, Bloomington

Carle Cancer Center, Urbana

The Carle Foundation Hospital, Urbana

Carle at The Riverfront, Danville

Carle Physician Group-Mattoon/Charleston, Mattoon

OSF Saint Anthony's Health Center, Alton

Southwest Illinois Health Services LLP, Swansea

Cancer Care Center of O'Fallon, O'Fallon

Illinois CancerCare-Carthage, Carthage

Carle Physician Group-Effingham, Effingham

Crossroads Cancer Center, Effingham

Cancer Care Specialists of Illinois - Decatur, Decatur

Decatur Memorial Hospital, Decatur

Southern Illinois University School of Medicine, Springfield

Springfield Clinic, Springfield

Springfield Memorial Hospital, Springfield

Centralia Oncology Clinic, Centralia

Saint Mary's Hospital, Centralia

SSM Health Good Samaritan, Mount Vernon

Memorial Hospital of Carbondale, Carbondale

SIH Cancer Institute, Carterville

Mercy Oncology and Hematology - Clayton-Clarkson, Ballwin

Missouri Baptist Sullivan Hospital, Sullivan

Mercy Hospital Washington, Washington

Mercy Infusion Center - Chippewa, St Louis

Washington University School of Medicine, St Louis

BJC Outpatient Center at Sunset Hills, Sunset Hills

Mercy Hospital South, St Louis

Siteman Cancer Center-South County, St Louis

Missouri Baptist Medical Center, St Louis

Siteman Cancer Center at Christian Hospital, St Louis

Siteman Cancer Center at West County Hospital, Creve Coeur

Mercy Hospital Saint Louis, St Louis

Siteman Cancer Center at Saint Peters Hospital, City of Saint Peters

Parkland Health Center-Bonne Terre, Bonne Terre

Parkland Health Center - Farmington, Farmington

Sainte Genevieve County Memorial Hospital, Sainte Genevieve

Mercy Cancer Center - Cape Girardeau, Cape Girardeau

Saint Francis Medical Center, Cape Girardeau

University Health Truman Medical Center, Kansas City

University of Kansas Cancer Center at North Kansas City Hospital, North Kansas City

University of Kansas Cancer Center - North, Kansas City

Heartland Regional Medical Center, Saint Joseph

Freeman Health System, Joplin

Mercy Hospital Joplin, Joplin

MU Health Care Goldschmidt Cancer Center, Jefferson City

Mercy Clinic-Rolla-Cancer and Hematology, Rolla

Phelps Health Delbert Day Cancer Institute, Rolla

Central Care Cancer Center - Bolivar, Bolivar

Cox Cancer Center Branson, Branson

Mercy Hospital Springfield, Springfield

CoxHealth South Hospital, Springfield

Lawrence Memorial Hospital, Lawrence

The University of Kansas Cancer Center - Olathe, Olathe

University of Kansas Cancer Center, Kansas City

University of Kansas Hospital-Westwood Cancer Center, Westwood

University of Kansas Cancer Center-Overland Park, Overland Park

University of Kansas Health System Saint Francis Campus, Topeka

Mercy Hospital Pittsburg, Pittsburg

Coffeyville Regional Medical Center, Coffeyville

Salina Regional Health Center, Salina

Central Care Cancer Center - Great Bend, Great Bend

HaysMed, Hays

Central Care Cancer Center - Garden City, Garden City

Nebraska Cancer Specialists/Oncology Hematology West PC - MECC, Omaha

Nebraska Methodist Hospital, Omaha

Oncology Associates PC, Omaha

Louisiana State University Health Science Center, New Orleans

University Medical Center New Orleans, New Orleans

Mercy Hospital Fort Smith, Fort Smith

University of Oklahoma Health Sciences Center, Oklahoma City

Mercy Hospital Oklahoma City, Oklahoma City

Cancer Centers of Southwest Oklahoma Research, Lawton

Oklahoma Cancer Specialists and Research Institute-Tulsa, Tulsa

UT Southwestern/Simmons Cancer Center-Dallas, Dallas

Rocky Mountain Cancer Centers-Aurora, Aurora

The Medical Center of Aurora, Aurora

Good Samaritan Hospital - Cancer Centers of Colorado, Lafayette

Rocky Mountain Cancer Centers - Centennial, Centennial

Mountain Blue Cancer Care Center - Swedish, Englewood

Rocky Mountain Cancer Centers - Swedish, Englewood

Swedish Medical Center, Englewood

The Melanoma and Skin Cancer Institute, Englewood

Rocky Mountain Cancer Centers-Littleton, Littleton

Rocky Mountain Cancer Centers-Sky Ridge, Lone Tree

Sky Ridge Medical Center, Lone Tree

Cancer Center of Colorado at Sloan's Lake, Denver

National Jewish Health-Main Campus, Denver

The Women's Imaging Center, Denver

Colorado Blood Cancer Institute, Denver

Presbyterian - Saint Lukes Medical Center - Health One, Denver

Rocky Mountain Cancer Centers-Midtown, Denver

Saint Joseph Hospital - Cancer Centers of Colorado, Denver

Rocky Mountain Cancer Centers-Rose, Denver

Rose Medical Center, Denver

Western Surgical Care, Denver

Rocky Mountain Cancer Centers-Lakewood, Lakewood

National Jewish Health-Northern Hematology Oncology, Thornton

Rocky Mountain Cancer Centers-Thornton, Thornton

Boulder Community Foothills Hospital, Boulder

Rocky Mountain Cancer Centers-Boulder, Boulder

Lutheran Hospital - Cancer Centers of Colorado, Golden

National Jewish Health-Western Hematology Oncology, Golden

Intermountain Health Lutheran Hospital, Wheat Ridge

Banner McKee Medical Center, Loveland

Banner North Colorado Medical Center, Greeley

Saint Mary's Hospital and Regional Medical Center, Grand Junction

Cheyenne Regional Medical Center-West, Cheyenne

Billings Clinic-Cody, Cody

Welch Cancer Center, Sheridan

Saint Luke's Cancer Institute - Twin Falls, Twin Falls

Saint Alphonsus Cancer Care Center-Caldwell, Caldwell

Walter Knox Memorial Hospital, Emmett

Saint Luke's Cancer Institute - Fruitland, Fruitland

Idaho Urologic Institute-Meridian, Meridian

Saint Luke's Cancer Institute - Meridian, Meridian

Saint Alphonsus Cancer Care Center-Nampa, Nampa

Saint Luke's Cancer Institute - Nampa, Nampa

Saint Alphonsus Cancer Care Center-Boise, Boise

Saint Luke's Cancer Institute - Boise, Boise

Kootenai Health - Coeur d'Alene, Coeur d'Alene

Kootenai Clinic Cancer Services - Post Falls, Post Falls

Kootenai Clinic Cancer Services - Sandpoint, Sandpoint

Huntsman Cancer Institute/University of Utah, Salt Lake City

Banner University Medical Center - Tucson, Tucson

University of Arizona Cancer Center-North Campus, Tucson

Kingman Regional Medical Center, Kingman

Hope Cancer Care of Nevada-Pahrump, Pahrump

Cancer and Blood Specialists-Henderson, Henderson

Comprehensive Cancer Centers of Nevada - Henderson, Henderson

Comprehensive Cancer Centers of Nevada-Horizon Ridge, Henderson

Las Vegas Cancer Center-Henderson, Henderson

OptumCare Cancer Care at Seven Hills, Henderson

Comprehensive Cancer Centers of Nevada-Southeast Henderson, Henderson

Las Vegas Urology - Green Valley, Henderson

Las Vegas Urology - Pebble, Henderson

Oncology Las Vegas - Henderson, Henderson

Urology Specialists of Nevada - Green Valley, Henderson

Las Vegas Urology - Pecos, Las Vegas

Desert West Surgery, Las Vegas

OptumCare Cancer Care at Charleston, Las Vegas

University Medical Center of Southern Nevada, Las Vegas

Hope Cancer Care of Nevada, Las Vegas

Cancer and Blood Specialists-Shadow, Las Vegas

Radiation Oncology Centers of Nevada Central, Las Vegas

Urology Specialists of Nevada - Central, Las Vegas

GenesisCare USA - Las Vegas, Las Vegas

HealthCare Partners Medical Group Oncology/Hematology-Maryland Parkway, Las Vegas

Sunrise Hospital and Medical Center, Las Vegas

HealthCare Partners Medical Group Oncology/Hematology-San Martin, Las Vegas

Las Vegas Prostate Cancer Center, Las Vegas

Las Vegas Urology - Sunset, Las Vegas

Urology Specialists of Nevada - Southwest, Las Vegas

Radiation Oncology Centers of Nevada Southeast, Las Vegas

Ann M Wierman MD LTD, Las Vegas

Cancer and Blood Specialists-Tenaya, Las Vegas

Comprehensive Cancer Centers of Nevada - Northwest, Las Vegas

HealthCare Partners Medical Group Oncology/Hematology-Tenaya, Las Vegas

Las Vegas Urology - Cathedral Rock, Las Vegas

Las Vegas Urology - Smoke Ranch, Las Vegas

Oncology Las Vegas - Tenaya, Las Vegas

OptumCare Cancer Care at MountainView, Las Vegas

Urology Specialists of Nevada - Northwest, Las Vegas

Alliance for Childhood Diseases/Cure 4 the Kids Foundation, Las Vegas

Comprehensive Cancer Centers of Nevada - Town Center, Las Vegas

Comprehensive Cancer Centers of Nevada-Summerlin, Las Vegas

Summerlin Hospital Medical Center, Las Vegas

Comprehensive Cancer Centers of Nevada, Las Vegas

GenesisCare USA - Fort Apache, Las Vegas

OptumCare Cancer Care at Fort Apache, Las Vegas

HealthCare Partners Medical Group Oncology/Hematology-Centennial Hills, Las Vegas

Comprehensive Cancer Centers of Nevada - Central Valley, Las Vegas

University Cancer Center, Las Vegas

Renown Regional Medical Center, Reno

Saint Mary's Regional Medical Center, Reno

Radiation Oncology Associates, Reno

Carson Tahoe Regional Medical Center, Carson City

Keck Medicine of USC Koreatown, Los Angeles

Los Angeles General Medical Center, Los Angeles

USC / Norris Comprehensive Cancer Center, Los Angeles

Keck Medicine of USC Buena Park, Buena Park

Keck Medical Center of USC Pasadena, Pasadena

Providence Saint Joseph Medical Center/Disney Family Cancer Center, Burbank

Keck Medicine of USC Huntington Beach, Huntington Beach

USC Norris Oncology/Hematology-Newport Beach, Newport Beach

UC Irvine Health/Chao Family Comprehensive Cancer Center, Orange

PCR Oncology, Arroyo Grande

Mills-Peninsula Medical Center, Burlingame

Palo Alto Medical Foundation-Camino Division, Mountain View

Palo Alto Medical Foundation-Gynecologic Oncology, Mountain View

Palo Alto Medical Foundation-Sunnyvale, Sunnyvale

California Pacific Medical Center-Pacific Campus, San Francisco

Palo Alto Medical Foundation Health Care, Palo Alto

Stanford Cancer Institute Palo Alto, Palo Alto

VA Palo Alto Health Care System, Palo Alto

Palo Alto Medical Foundation-Fremont, Fremont

Eden Hospital Medical Center, Castro Valley

Sutter Solano Medical Center/Cancer Center, Vallejo

Alta Bates Summit Medical Center-Herrick Campus, Berkeley

Sutter Cancer Research Consortium, Novato

Palo Alto Medical Foundation-Santa Cruz, Santa Cruz

Memorial Medical Center, Modesto

Sutter Pacific Medical Foundation, Santa Rosa

Sutter Auburn Faith Hospital, Auburn

Sutter Cancer Centers Radiation Oncology Services-Auburn, Auburn

Sutter Davis Hospital, Davis

Sutter Cancer Centers Radiation Oncology Services-Roseville, Roseville

Sutter Roseville Medical Center, Roseville

Sutter Cancer Centers Radiation Oncology Services-Cameron Park, Cameron Park

Sutter Medical Center Sacramento, Sacramento

Clackamas Radiation Oncology Center, Clackamas

Providence Cancer Institute Clackamas Clinic, Clackamas

Providence Willamette Falls Medical Center, Oregon City

Providence Newberg Medical Center, Newberg

Providence Portland Medical Center, Portland

Providence Saint Vincent Medical Center, Portland

Oregon Health and Science University, Portland

Bay Area Hospital, Coos Bay

Saint Charles Health System, Bend

Saint Charles Health System-Redmond, Redmond

Saint Alphonsus Cancer Care Center-Baker City, Baker City

Saint Alphonsus Cancer Care Center-Ontario, Ontario

Overlake Medical Center, Bellevue

Swedish Cancer Institute-Edmonds, Edmonds

Swedish Cancer Institute-Issaquah, Issaquah

Valley Medical Center, Renton

Pacific Gynecology Specialists, Seattle

Swedish Medical Center-Ballard Campus, Seattle

Fred Hutchinson Cancer Center, Seattle

Swedish Medical Center-First Hill, Seattle

University of Washington Medical Center - Montlake, Seattle

Providence Regional Cancer Partnership, Everett

PeaceHealth Saint Joseph Medical Center, Bellingham

PeaceHealth United General Medical Center, Sedro-Woolley

Jefferson Healthcare, Port Townsend

Providence Regional Cancer System-Lacey, Lacey

Anchorage Associates in Radiation Medicine, Anchorage

Providence Regional Cancer System-Aberdeen, Aberdeen

Providence Regional Cancer System-Centralia, Centralia

Providence Regional Cancer System-Shelton, Shelton

Providence Regional Cancer System-Yelm, Yelm

PeaceHealth Saint John Medical Center, Longview

PeaceHealth Southwest Medical Center, Vancouver

North Star Lodge Cancer Center at Yakima Valley Memorial Hospital, Yakima

Kadlec Clinic Hematology and Oncology, Kennewick

Providence Saint Mary Regional Cancer Center, Walla Walla

Anchorage Radiation Therapy Center, Anchorage

Alaska Breast Care and Surgery LLC, Anchorage

Alaska Oncology and Hematology LLC, Anchorage

Alaska Women's Cancer Care, Anchorage

Anchorage Oncology Centre, Anchorage

Katmai Oncology Group, Anchorage

Providence Alaska Medical Center, Anchorage

Fairbanks Memorial Hospital, Fairbanks

Smilow Cancer Center/Yale-New Haven Hospital, New Haven

Yale University, New Haven

Methodist West Hospital, West Des Moines

Lafayette Family Cancer Center-EMMC, Brewer

Massachusetts General Hospital Cancer Center, Boston

Dana-Farber Cancer Institute, Boston

Mercy Medical Center, Springfield

Baystate Medical Center, Springfield

Las Vegas Cancer Center-Medical Center, Las Vegas

Hackensack University Medical Center, Hackensack

Saint Barnabas Medical Center, Livingston

Morristown Medical Center, Morristown

Rutgers Cancer Institute of New Jersey, New Brunswick

Overlook Hospital, Summit

Penn State Milton S Hershey Medical Center, Hershey

South Carolina Cancer Specialists PC, Hilton Head Island

Sanford USD Medical Center - Sioux Falls, Sioux Falls

Swedish Medical Center-Cherry Hill, Seattle

Saint Vincent Hospital Cancer Center at Sturgeon Bay, Sturgeon Bay