Physician

Herbert Mao, DO

According to 2025 Medicare claims, Herbert Mao, DO (NPI: 1063075067) practices orthopedic surgery in the Longview-Kelso, WA market, with the plurality of this provider's patient population coming from Cowlitz, WA. This provider's primary affiliated billing organization is LONGVIEW ORTHOPEDIC ASSOCIATES, PLLC (NPI: 1003865072; TIN: 202707510) and primary practice location at 98632-2465.

Mao's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 46 traditional Medicare patients, billed 127 HCPCS/CPT codes, and received $15,747 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 68 prescription claims across 39 beneficiaries totaling $538 in drug costs, led by Oxycodone Hcl (Oxycodone Hcl). Open Payments data shows 1 records totaling $615. 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 started with an early spike, then settled into a lower baseline, moving from $4,447 to $538. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.