Physician

Addason Fellows Heath Mccaslin, M.D.

According to 2025 Medicare claims, Addason Mccaslin, M.D. (NPI: 1083032809) practices neurology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Contra Costa, CA. This provider's primary affiliated billing organization is PERMANENTE MEDICAL GROUP INC (NPI: 1235226531; TIN: 942728480) and primary practice location at 94531-8687.

Mccaslin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 34 traditional Medicare patients, billed 42 HCPCS/CPT codes, and received $4,152 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 271 prescription claims across 183 beneficiaries totaling $56,766 in drug costs, led by Ajovy Autoinjector (Fremanezumab-Vfrm). No Open Payments records. 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 started with an early spike, then settled into a lower baseline, moving from $16,210 to $4,152. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $2,222 and ending at $56,766. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.