Dr. Raymond Chang, MD

With 20 years of practice, Dr. Raymond Chang is an established cardiovascular disease (cardiology) provider, MD, after earning their medical degree at University Of California, Geffen School Of Medicine in 1990. Dr. currently practices at Empire Anesthesia Inc in Pleasanton, California. Their National Provider Identifier (NPI) is 1477596831, 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. Raymond Chang's practice is located in ZIP 94568 (Pleasanton, California), which has an overall CartoChrome Healthcare Access Score of 51/100 (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. Raymond Chang as a lower-volume cardiovascular disease (cardiology) provider, treating approximately 60 Medicare beneficiaries and delivering 83 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. Raymond Chang received $20K in industry payments in 2023. Payments at this scale are in line with specialist-level consulting and speaker-program participation.