Oncology
Harold Douglass, M.D.
Chief of Upper Gastrointestinal Surgery
Harold O. Douglass Jr., M.D., is a surgical oncologist based in Williamsville, New York, specializing in the multidisciplinary approach to cancer prevention, diagnosis, treatment, and rehabilitation. Surgical oncologists like Dr. Douglass undergo additional training beyond general surgery to manage cancer patients comprehensively, devoting significant professional effort to surgical interventions and cancer research. He practices general surgery with a focus on surgical oncology, address
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Credentials
Education & Training
- Medical School: New York University (MD, 1959)
Years in Practice
65+ years
Peer Recognition
- ACS — Fellow (FACS)
2026
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Roswell Park Cancer Institute
Languages
English
Conditions Dr. Douglass treats
Frequently asked
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Specialists similar to Dr. Douglass
More surgical oncology specialists in New York
Sources
- https://npidb.org/doctors/allopathic_osteopathic_physicians/surgical-oncology_2086x0206x/1316286404.aspx
- https://www.medifind.com/doctors/harold-o-douglass/8633107
- https://drgalen.org/physician/dr-harold-o-douglass-surgery-ny-us
- https://www.welli.com/care/provider/1316286404
- https://www.healthgrades.com/physician/dr-harold-douglass-wgc3j
- https://www.vitals.com/doctors/Harold_Orth_Douglass.html
- https://doctor.webmd.com/doctor/harold-douglass-20b58c83-e683-4f4c-8dae-bf23284ab747-overview
- https://acsjournals.onlinelibrary.wiley.com/doi/abs/10.1002/cncr.30865
- https://nrgoncology.org/wp-content/uploads/2025/09/NRG-Roster-for-NRG-website-sorted-by-CTEP-ID.pdf