Physician

William M. Lin, MD

According to 2025 Medicare claims, William Lin, MD (NPI: 1619255502) practices dermatology 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 MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC (NPI: 1801874573; TIN: 042807148) and primary practice location at 02459-3301. Lin is affiliated with the Mass General Brigham ACO, LLC (ACO ID: A4641) and Pearl Network, LLC (ACO ID: D0243), participating under both the MSSP and REACH models.

Lin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 2,426 traditional Medicare patients, billed 5,687 HCPCS/CPT codes, and received $361,006 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 345 prescription claims across 131 beneficiaries totaling $203,447 in drug costs, led by Dupixent Pen (Dupilumab). 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 risen steadily, from $7,170 to $361,006. Similarly, Part D prescription costs have risen steadily, from $21,618 to $203,447. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.