Physician

Andrew Steven Gahagan, MD

According to 2025 Medicare claims, Andrew Gahagan, MD (NPI: 1609372812) practices hematology/oncology in the Baton Rouge, LA market, with the plurality of this provider's patient population coming from Ascension, LA. This provider's primary affiliated billing organization is MARY BIRD PERKINS CANCER CENTER (NPI: 1295833580; TIN: 237010520) and primary practice location at 70809-3482.

Gahagan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 55 traditional Medicare patients, billed 2,755 HCPCS/CPT codes, and received $65,788 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 231 prescription claims across 72 beneficiaries totaling $231,550 in drug costs, led by Prochlorperazine Maleate (Prochlorperazine Maleate). Open Payments data shows 27 records totaling $746. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $763 to $231,550. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.