Dr. Gregory Havlena, MD

With 17 years of practice, Dr. Gregory Havlena is an established healthcare provider, MD, after earning their medical degree at Johns Hopkins University School Of Medicine in 2009. Dr. currently practices across 3 facilities, including Kaiser Foundation Hospital Fontana/ontario in Fontana, California. Their National Provider Identifier (NPI) is 1598993859, 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 Havlena as a lower-volume healthcare provider, treating approximately 80 Medicare beneficiaries and delivering 115 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 Havlena received $38 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.