Physician
Hayden N Hemphill, MD
According to 2025 Medicare claims, Hayden Hemphill, MD (NPI: 1396746376) practices nephrology in the Texarkana, TX-AR market, with the plurality of this provider's patient population coming from Bowie, TX. This provider's primary affiliated billing organization is COLLOM & CARNEY CLINIC ASSOCIATION (NPI: 1265414635; TIN: 751151440) and primary practice location at 75503-9766. Hemphill is affiliated with the Prime Care Managers, LLC (ACO ID: A3280), participating under the MSSP model.
Hemphill's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 550 traditional Medicare patients, billed 5,015 HCPCS/CPT codes, and received $248,614 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 1,526 prescription claims across 274 beneficiaries totaling $134,966 in drug costs, led by Farxiga (Dapagliflozin Propanediol). DME data shows 137 claims. Open Payments data shows 36 records totaling $773. 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 $301,398 to $248,614. Similarly, Part D prescription costs have moved from a higher plateau to a lower plateau, from $586,954 to $134,966. In contrast, DME billing represents a smaller volume and started with an early spike, then settled into a lower baseline, moving from $7,429 to $0.