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Vascular & Interventional Radiology in Williamsville, New York

Data updated monthly · Last refresh September 2026

5 Vascular & Interventional Radiology providers practice in Williamsville. Listings are drawn from federal public records and are not endorsements.

Vascular & Interventional Radiology providers in Williamsville

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Christopher Nicholas, MD
Williamsville, NY · $60 in drug and device payments (2025) · Telehealth · (716) 836-4646
Dr. Harris Chengazi, M.D.
Williamsville, NY · $3,120 in drug and device payments (2025) · Telehealth · (716) 836-4646
Dr. John Mcgrath, M.D.
Williamsville, NY · $647 in drug and device payments (2025) · Telehealth · (716) 836-4646
Dr. Mark Diiulio, MD
Williamsville, NY · $319 in drug and device payments (2025) · Telehealth · (716) 836-4646
Dr. Omar Chohan, D.O.
Williamsville, NY · $774 in drug and device payments (2025) · Telehealth · (716) 836-4646

Common questions

How many Vascular & Interventional Radiology providers are in Williamsville, New York?

There are 5 Vascular & Interventional Radiology providers with active NPI records practicing in Williamsville, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Williamsville Vascular & Interventional Radiology across New York

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.