

Oncology
William Oh, M.D.
Professor of Internal Medicine (Medical Oncology & Hematology); Director, Precision Medicine, Yale Cancer Center and Smilow Cancer Hospital; Service Line Medical Director, Smilow Cancer Hospital at Greenwich Hospital
William K. Oh, MD, is a distinguished genitourinary oncologist with decades of experience specializing in prostate cancer, bladder cancer, kidney cancer, adrenal cancer, and other genitourinary malignancies. He treats patients across all stages, emphasizing precision medicine through routine molecular and genetic testing to deliver personalized treatment plans. Dr. Oh integrates advanced techniques such as precision-based genomics, clinical trials, and multidisciplinary tumor board reviews to op
30+
Years in Practice
Credentials
Board Certifications
- Medical Oncology (American Board of Internal Medicine)
Education & Training
- New York University School of Medicine — M.D.
- Brigham and Women’s Hospital — Internship and Residency, Internal Medicine
- Dana-Farber Cancer Institute — Fellowship, Medical Oncology
Peer Recognition
2010-2024 (15 years)
2010-2024 (15 years)
2010-2024 (15 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Yale New Haven Hospital
- Greenwich Hospital
- Smilow Cancer Hospital
Languages
English
Experience
30+ years in practice