Physician

William R Mckenna, MD

According to 2025 Medicare claims, William Mckenna, MD (NPI: 1164446399) practices allergy/immunology in the Brownsville-Harlingen, TX market, with the plurality of this provider's patient population coming from Cameron, TX. This provider's primary affiliated billing organization is WILLIAM R MCKENNA MD PA (NPI: 1386766681; TIN: 742236469) and primary practice location at 78550-8917.

Mckenna's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 107 traditional Medicare patients, billed 13,321 HCPCS/CPT codes, and received $325,464 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 1,023 prescription claims across 158 beneficiaries totaling $794,095 in drug costs, led by Dupixent Syringe (Dupilumab). DME data shows 117 claims. Open Payments data shows 133 records totaling $3,004. 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 moved from a lower plateau to a higher plateau, from $189,347 to $325,464. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $232,586 to $794,095. In contrast, DME billing represents a smaller volume and rose steadily, from $835 to $2,740.