Dr. Isabelle Hertig, MD

With 19 years of practice, Dr. Isabelle Hertig is an established internal medicine provider, MD, after earning their medical degree at Other in 1983. Dr. currently practices at Blackwell Physicians, Llc in Rockville, Maryland. Their National Provider Identifier (NPI) is 1013127695, 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.

Dr. Isabelle Hertig's practice is located in ZIP 20852 (Rockville, Maryland), which has an overall CartoChrome Healthcare Access Score of 53/100 (Moderate Access). Access to care in this area is moderate — most services are reachable but with meaningful variability by specialty.

CMS Medicare data shows Dr. Isabelle Hertig as a lower-volume internal medicine provider, treating approximately 289 Medicare beneficiaries and delivering 651 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. Isabelle Hertig received $144 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.