Physician

Peter Yuwei Chang, M.D.

According to 2025 Medicare claims, Peter Chang, M.D. (NPI: 1801107859) practices ophthalmology in the Cambridge-Newton-Framingham, MA market, with the plurality of this provider's patient population coming from Middlesex, MA. This provider's primary affiliated billing organization is MASSACHUSETTS EYE RESEARCH AND SURGERY INSTITUTION, PC (NPI: 1639230527; TIN: 201890892) and primary practice location at 02451-1640. Chang is affiliated with the Lahey Clinical Performance ACO (ACO ID: A1490), participating under the MSSP model.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,024 traditional Medicare patients, billed 36,461 HCPCS/CPT codes, and received $2,210,941 in Medicare payments. The top billing code was 92004 (New patient complete exam of visual system). Part D data shows 2,367 prescription claims across 484 beneficiaries totaling $5,091,156 in drug costs, led by Acthar (Corticotropin). Open Payments data shows 218 records totaling $221,294. 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 $23,786 to $2,210,941. Similarly, Part D prescription costs have moved sharply higher in recent years, from $29,211 to $5,091,156. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.