Physician

Ann Marie Macasa, MD

According to 2025 Medicare claims, Ann Macasa, MD (NPI: 1417068198) practices rheumatology in the Portland-Vancouver-Hillsboro, OR-WA market, with the plurality of this provider's patient population coming from Yamhill, OR. This provider's primary affiliated billing organization is WILLAMETTE VALLEY RHEUMATOLGY PC (NPI: 1831324847; TIN: 264297725) and primary practice location at 97132-1831.

Macasa's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 228 traditional Medicare patients, billed 75,061 HCPCS/CPT codes, and received $871,131 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 4,134 prescription claims across 429 beneficiaries totaling $1,224,673 in drug costs, led by Enbrel Sureclick (Etanercept). Open Payments data shows 142 records totaling $2,188. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $535,465 to $1,224,673. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.