Matthew Chang, D.O.
NPI 1023279163ActiveIndividual· Emergency Medicine· New York, NY
Emergency Medicine (D.O.) in New York, New York, trained at Western University of Health Sciences College of Dental Med (class of 2008). Mostly services rather than prescriptions: Medicare paid $10,375 for 75 patients in 2024, with only 34 Part D claims. Merz North America, Inc. reported $29.51 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1023279163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2008 |
| Last updated in NPPES | Jun 20, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | INTERN | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (HI); Practitioner - Emergency Medicine (NY); Practitioner - Emergency Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 85 across 10 procedure codes |
| Paid by Medicare | $10,375 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 34 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $373.42 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Western University of Health Sciences College of Dental Med |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Emergency Medicine |
Medical group
- Canton-Potsdam HospitalPotsdam, NY · 252 clinicians
Hospital affiliations
- Canton-Potsdam HospitalPotsdam, NY
- Slhs Massena, IncMassena, NY
Industry payments (Open Payments)
- 2025$29.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merz North America, Inc. | $29.51 | 1 |
What the 2025 payments were for
- Food and Beverage$29.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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