Skip to main content
William Oh, MD, Oncology, Greenwich, CT

William K Oh MD

Genitourinary Oncology


Professor, Yale Cancer Center

Request Appointment
  • 77 Lafayette PlGreenwich, CT 06830

  • Book by Phone+1(254) 384-8328

Overview of  Dr. Oh

Dr. William Oh is an oncologist at Yale Cancer Center specializing in GU oncology focused on prostate cancer. Dr. Oh currently serves as Director of Precision Medicine for Yale Cancer Center. He is also the Jean and David W Wallace Medical Director of Smilow Cancer Hospital at Greenwich Hospital. He previously held leadership roles at Mount Sinai Hospital and Dana-Farber Cancer Institute.

Education & Training

  • Mass General Brigham/Brigham and Women's Hospital/Massachusetts General Hospital/Dana-Farber Cancer Institute
    Mass General Brigham/Brigham and Women's Hospital/Massachusetts General Hospital/Dana-Farber Cancer InstituteFellowship, Hematology and Medical Oncology, 1995 - 1997
  • Mass General Brigham/Brigham and Women's Hospital
    Mass General Brigham/Brigham and Women's HospitalResidency, Internal Medicine, 1993 - 1995
  • Mass General Brigham/Brigham and Women's Hospital
    Mass General Brigham/Brigham and Women's HospitalInternship, Internal Medicine, 1992 - 1993
  • New York University School of Medicine
    New York University School of MedicineClass of 1992

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 2009 - 2027
  • CT State Medical License
    CT State Medical License 2024 - 2026
  • MA State Medical License
    MA State Medical License 1994 - 2011
  • Medical Oncology
    American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

  • America's Top Doctors Castle Connolly, 2010-2024
  • America's Top Doctors for Cancer Castle Connolly, 2010-2024
  • Top Doctors: New York Metro Area Castle Connolly, 2010-2024

Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • The Role of Ketoconazole in Current Prostate Cancer Care  
    William Oh, Bobby Liaw, Vaibhav Patel, Nature
  • Identification of microR-106b as a Prognostic Biomarker of p53-like Bladder Cancers by ActMiR  
    Matthew D Galsky, William K Oh, Nature

Authored Content

  • How to Handle a Technical Malfunction While Speaking at a Major Medical ConferenceJune 2019

Press Mentions

  • Advanced Prostate Cancer Cases Rising as Fewer Men Are Screened, New Report Says
    Advanced Prostate Cancer Cases Rising as Fewer Men Are Screened, New Report SaysSeptember 4th, 2025
  • Town Approves Smilow Cancer Hospital at Greenwich
    Town Approves Smilow Cancer Hospital at GreenwichJuly 2nd, 2025
  • Major Expansion Project Approved for Greenwich Hospital
    Major Expansion Project Approved for Greenwich HospitalJuly 2nd, 2025

Committees

  • Member, Castration-resistant Prostate Cancer Guidelines Panel, AUA 2015 - Present

Professional Memberships

Insurance Accepted

  • Aetna Choice POS II
    Aetna HMO
    BCBS Blue Card PPO
    CIGNA HMO
    CIGNA Open Access
    CIGNA PPO
    Empire BCBS HMO
    Empire BCBS PPO
    First Health PPO
    GHI PPO
    Great West PPO
    Humana ChoiceCare Network PPO
    MagnaCare PPO
    Multiplan PHCS PPO
    Multiplan PPO
    MVP Healthcare PPO
    Oxford Health Freedom
    Oxford Health Liberty
    UniCare PPO
    United Healthcare - Direct Choice Plus POS
    United Healthcare - Direct Options PPO
  • Please verify your coverage with the provider's office directly when scheduling an appointment

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence: