Physician

Allison Guttmann Lewis, MD

According to 2025 Medicare claims, Allison Lewis, MD (NPI: 1043698368) practices rheumatology in the Newark, NJ market, with the plurality of this provider's patient population coming from Union, NJ. This provider's primary affiliated billing organization is PRACTICE ASSOCIATES MEDICAL GROUP (NPI: 1427016385; TIN: 202088165) and primary practice location at 07066-1121. Lewis is affiliated with the Atlantic ACO (ACO ID: A1026), participating under the MSSP model.

Lewis' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 221 traditional Medicare patients, billed 7,761 HCPCS/CPT codes, and received $129,929 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 1,055 prescription claims across 235 beneficiaries totaling $833,800 in drug costs, led by Enbrel Sureclick (Etanercept). Open Payments data shows 52 records totaling $956. 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 have risen steadily, from $4,880 to $833,800. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.