Physician
Aaron Mendelson, M.D.
According to 2025 Medicare claims, Aaron Mendelson, M.D. (NPI: 1235499898) practices gastroenterology in the Allentown-Bethlehem-Easton, PA-NJ market, with the plurality of this provider's patient population coming from Lehigh, PA. This provider's primary affiliated billing organization is LEHIGH VALLEY PHYSICIAN GROUP (NPI: 1083339741; TIN: 232700908) and primary practice location at 18020-8920. Mendelson is affiliated with the Lehigh Valley Health Network Accountable Care Organization, LLC (ACO ID: A2735), participating under the MSSP model.
Mendelson's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 553 traditional Medicare patients, billed 9,856 HCPCS/CPT codes, and received $227,047 in Medicare payments. The top billing code was 45385 (Removal of polyps or growths of large bowel using an endoscope with mechanical snare). Part D data shows 974 prescription claims across 288 beneficiaries totaling $1,581,976 in drug costs, led by Stelara (Ustekinumab). Open Payments data shows 14 records totaling $7,461. 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 risen steadily, from $43,621 to $227,047. Similarly, Part D prescription costs have moved sharply higher in recent years, from $23,090 to $1,581,976. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.