Physician

Greggory Gahn, MD

According to 2025 Medicare claims, Greggory Gahn, MD (NPI: 1720541147) practices ophthalmology in the Reno, NV market, with the plurality of this provider's patient population coming from Washoe, NV. This provider's primary affiliated billing organization is PLECHA DURANT STANKO JOHNSON & COHEN A PROFESSIONAL CORPORATION (NPI: 1316022551; TIN: 880104714) and primary practice location at 89502-1605.

Gahn's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 46 traditional Medicare patients, billed 56 HCPCS/CPT codes, and received $7,151 in Medicare payments. The top billing code was 67042 (Removal of membrane of retina with removal of internal limiting membrane of retina). Part D data shows 431 prescription claims across 179 beneficiaries totaling $18,880 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). Open Payments data shows 27 records totaling $856. 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 up and down with repeated peaks and valleys, starting at $9,025 and ending at $18,880. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.