Dr. Gregory Gunyan, D.O.

With 16 years of practice, Dr. Gregory Gunyan is an established psychiatry provider, D.O., after earning their medical degree at New York College Of Osteo Medicine Of New York Institute Of Technology in 2009. Dr. currently practices at Office Based Anesthesia Llc in Smithtown, New York. Their National Provider Identifier (NPI) is 1528386265, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Gregory Gunyan as a lower-volume psychiatry provider, treating approximately 136 Medicare beneficiaries and delivering 433 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Gregory Gunyan received $838 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.