Physician
Allen A Lee, M.D.
According to 2025 Medicare claims, Allen Lee, M.D. (NPI: 1609994490) practices gastroenterology in the Ann Arbor, MI market, with the plurality of this provider's patient population coming from Washtenaw, MI. This provider's primary affiliated billing organization is REGENTS OF THE UNIVERSITY OF MICHIGAN (NPI: 1801827639; TIN: 386006309) and primary practice location at 48109-5000. Lee is affiliated with the POM ACO (ACO ID: A1297), participating under the MSSP model.
Lee's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 83 traditional Medicare patients, billed 142 HCPCS/CPT codes, and received $12,549 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 228 prescription claims across 70 beneficiaries totaling $57,066 in drug costs, led by Linzess (Linaclotide). DME data shows 36 claims. No Open Payments records. 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 higher plateau to a lower plateau, from $42,429 to $12,549. In contrast, Part D prescription costs have moved sharply higher in recent years, from $38,134 to $57,066. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.