


Dr. William Greene, MD
Dr. William Greene, MD is a medical oncologist in East Setauket, NY and has over 55 years of experience in the medical field. He graduated from State University of New York Downstate Health Sciences University College of Medicine in 1968. He is affiliated with Stony Brook University Hospital.
Practice
205 N Belle Mead Ave East Setauket, NY 11733Make an Appointment
Hospital Highlight
Dr. Greene is affiliated with Stony Brook University Hospital Stony Brook, a highly rated hospital.
At a Glance
- Areas of ExpertiseDr. Greene specializes in the areas of Infectious Disease, Internal Medicine & Medical Oncology. • See board certifications
- Practices at Top Hospital

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Dr. Greene's Reviews
Overall Patient Satisfaction
About Me
biography
Dr. William Greene, MD is a medical oncologist in East Setauket, NY and has over 55 years of experience in the medical field. He graduated from State University of New York Downstate Health Sciences University College of Medicine in 1968. He is affiliated with Stony Brook University Hospital.Medical Oncology
Infectious Disease Medicine
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Yale New Haven Hospital
Fellowship Hospital, 1975Yale New Haven Hospital
Residency Hospital, 1970Yale New Haven Hospital
Internship Hospital, 1969State University Of New York Downstate Health Sciences University College Of Medicine
Medical School, 1968
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Focus on Breast Cancer
Locations
Practice
Affiliated Hospitals
- Recipient of 33
hospital awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
74%Patients said that doctors always listened to them and explained things well2% lower than the national average
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