Dr. Lester Mertz, M.D.

With 21 years of practice, Dr. Lester Mertz is an established rheumatology provider, M.D., after earning their medical degree at Medical College Of Wisconsin in 1981. Dr. currently practices across 3 facilities, including Mayo Clinic - Arizona in Scottsdale, Arizona. Their National Provider Identifier (NPI) is 1083696751, 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. Lester Mertz as a lower-volume rheumatology provider, treating approximately 329 Medicare beneficiaries and delivering 514 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. Lester Mertz received $118 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.