Physician
John Andrew Johnson, D.O.
According to 2025 Medicare claims, John Johnson, D.O. (NPI: 1043650641) practices allergy/immunology in the Barnstable Town, MA market, with the plurality of this provider's patient population coming from Barnstable, MA. This provider's primary affiliated billing organization is GREATER BOSTON ALLERGY ASTHMA SINUS & IMMUNOLOGY CENTERS, P.C. (NPI: 1376177790; TIN: 844840079) and primary practice location at 02601-3644. Johnson is affiliated with the Southcoast Accountable Care Organization, LLC (ACO ID: A1522), Cleveland Clinic Medicare ACO, LLC (ACO ID: A2729), and Mass General Brigham ACO, LLC (ACO ID: A4641), participating under the MSSP model.
Johnson's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,117 traditional Medicare patients, billed 53,431 HCPCS/CPT codes, and received $743,278 in Medicare payments. The top billing code was 99203 (New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more). Part D data shows 2,369 prescription claims across 590 beneficiaries totaling $937,190 in drug costs, led by Dupixent Pen (Dupilumab). DME data shows 75 claims. Open Payments data shows 89 records totaling $2,502. 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 sharply higher in recent years, from $13,106 to $743,278. Similarly, Part D prescription costs have moved sharply higher in recent years, from $2,428 to $937,190. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $0 to $1,968.