Dr. Sydney Westphal, MD

With 20 years of practice, Dr. Sydney Westphal is an established endocrinology provider, MD, after earning their medical degree at University Of Cincinnati College Of Medicine in 1983. Dr. currently practices across 3 facilities, including Mayo Clinic - Arizona in Scottsdale, Arizona. Their National Provider Identifier (NPI) is 1083651830, 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. Sydney Westphal as a moderate-volume endocrinology provider, treating approximately 849 Medicare beneficiaries and delivering 20K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.