Dr. Walter Petri, M.D.

With 20 years of practice, Dr. Walter Petri is an established anesthesiology provider, M.D., after earning their medical degree at Northwestern University Feinberg Medical School in 1988. Dr. currently practices across 5 facilities, including Advocate Good Samaritan Hospital in Downers Grove, Illinois. Their National Provider Identifier (NPI) is 1326091133, 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. Walter Petri's practice is located in ZIP 60515 (Downers Grove, Illinois), which has an overall CartoChrome Healthcare Access Score of 63/100 (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. Walter Petri as a lower-volume anesthesiology provider, treating approximately 183 Medicare beneficiaries and delivering 224 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.