Physician

Allan Scott Chamberlain, MD

According to 2025 Medicare claims, Allan Chamberlain, MD (NPI: 1508864281) practices obstetrics/gynecology in the Huntington-Ashland, WV-KY-OH market, with the plurality of this provider's patient population coming from Lawrence, OH. This provider's primary affiliated billing organization is ST. MARY'S MEDICAL MANAGEMENT, LLC (NPI: 1922155217; TIN: 208017790) and primary practice location at 25504-2063. Chamberlain is affiliated with the Aledade 12 WV CHC MSSP Enhanced (ACO ID: A3302), Vandalia Health Network (ACO ID: A4513), and Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.

Chamberlain's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 44 traditional Medicare patients, billed 72 HCPCS/CPT codes, and received $3,268 in Medicare payments. The top billing code was 99213 (Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more). Part D data shows 202 prescription claims across 50 beneficiaries totaling $22,120 in drug costs, led by Myrbetriq (Mirabegron). Open Payments data shows 27 records totaling $416. 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 has declined steadily, from $14,402 to $3,268. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $17,049 and ending at $22,120. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.