Cancer Organizations: D
- D.J. Dunch, M.D., Incorporated
- DARA BioSciences, Incorporated
- DCH Cancer Treatment Center
- DCS Innovative Diagnostik-Systeme
- DENT Neurologic Institute - Amherst
- DENT Neurological Institute - Gates Circle
- DH Onc. USL 18
- DIAKO Ev. Diakonie Krankenhaus gGmbH
- DMI Research
- DNA Sciences, Incorporated
- DR Herbert - Nieper Krankenhaus Goslar
- DR. B.R.A. Institute Rotary Cancer Hospital
- DRK Kliniken Berlin - Koepenick
- DUSA Pharmaceuticals, Incorporated
- Daegu Catholic University Hospital
- Daegu Fatima Hospital
- Daewoong Pharmaceutical Company, Limited
- Dafra Pharma International
- Daiichi Pharmaceuticals UK Limited
- Daiichi Sankyo, Incorporated
- Dainippon Sumitomo Pharma Company, Limited
- Daisan Hospital
- Daisy Marquis Jones Radiation Oncology Center at Highland Hospital of Rochester
- Dako Denmark A/S
- Dakota Cancer Institute at Dakota Clinic - South University
- Dakota Clinic - Detroit Lakes
- Dakota Clinic - Thief River Falls
- Dakota Dermatology
- Dakota Surgical, Limited
- Dale and Frances Hughes Cancer Center at Pocono Medical Center
- Dalhousie University
- Dallas Neurological Associates
- Dallas Oncology Consultants, PA - West Colorado
- Dallas Oncology Consultants, PA - West Wheatland
- Dallas Pediatric Neurology Associates at Medical City Dallas Hospital
- Dallas Surgical Group
- Dallas Surgical Group - Medical City
- Dallas-Ft. Worth Sarcoma Group, PA
- Dalton Cancer Clinic
- Dameron Hospital
- Damluji Research Center
- Damon Runyon Cancer Research Foundation
- Dan L. Duncan Cancer Center at Baylor College of Medicine
- Dan Rudy Cancer Center at Saint Thomas Hospital
- Dana Foundation
- Dana-Farber Partners Cancer Care
- Dana-Farber/Brigham and Women's Cancer Center
- Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute
- Dandenong Hospital at Southern Health
- Danderyd Hospital
- Daniel & Gloria Blumenthal Cancer Center at Valley Hospital - Paramus
- Daniel Den Hoed Cancer Center at Erasmus Medical Center
- Danielson Surgical Associates - Saint Johnsbury
- Danielson Surgical Associates - Woodsville
- Danish Breast Cancer Cooperative Group
- Danish Cancer Society
- Danish Children's Cancer Foundation
- Danish Head And Neck Cancer Group
- Danish Medical Research Council
- Danish University of Pharmaceutical Sciences
- Danny Bell Cancer Treatment Center at Poplar Bluff Regional Medical Center
- Danville Hematology and Oncology, Incorporated
- Danville Radiation Therapy Center
- Danville Regional Medical Center
- Darent Valley Hospital
- Darlington Memorial
- Dartford & Gravesham NHS Trust, Joyce Green Hospital
- Dartmouth - Hitchcock Nashua
- Dartmouth - Hitchcock Concord
- Dartmouth - Hitchcock Keene
- Dartmouth Hitchcock Clinic - Manchester
- Dattoli Cancer Center and Brachytherapy Research Institute
- Dauphin Manor Nursing Home
- Davao Doctors Hospital
- Davao Medical Center
- Davenport Surgical Group, PC
- Davenport-Mugar Cancer Center at Cape Cod Hospital
- David C. Pratt Cancer Center at St. John's Mercy
- David H. Koch Institute for Integrative Cancer Research at Massachusetts Institute of Technology
- David L. Rike Cancer Center at Miami Valley Hospital
- David Lee Outpatient Cancer Center at Charleston Area Medical Center
- David Maddison Clincial Sciences
- David and Donna Long Center for Cancer Treatment at Sharp Grossmont Hospital
- Daviess Community Hospital
- Davis Hospital and Medical Center
- Davis Memorial Hospital Cancer Care Center
- Davis, Posteraro & Wasser, MDs, LLP - Manchester
- Davis, Posteraro & Wasser, MDs, LLP - Vernon
- Day Hospital Oncologico at Ospedale Santa Maria Nuova
- Dayanand Medical College and Hospital
- Dayton Area Cancer Association, Incorporated
- Dayton Internal Medicine Associates
- Dayton Oncology and Hematology, PA - Kettering
- Dayton Physicians, LLC
- Dayton Skin Surgery Center
- DeCesaris Cancer Institute at Anne Arundel Medical Center
- DeGraff Memorial Hospital
- DeKalb Surgical Associates, PC - Decatur
- DeKalb Surgical Associates, PC - Hillandale
- DeKalb Surgical Associates, PC - Northlake