Joseph L. Chang, M.D.
NPI 1518914274ActiveIndividual· Emergency Medicine· Winchester, MA
Emergency Medicine (M.D.) in Winchester, Massachusetts, trained at University of Massachusetts Medical School (class of 1999). 486 Medicare patients in 2024, $59,641 paid; nearly all of their 229 Part D prescriptions were generic (95%).
Overview
| NPI | 1518914274 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 28, 2006 |
| Last updated in NPPES | Mar 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 217018 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 486 |
|---|---|
| Services billed | 526 across 25 procedure codes |
| Paid by Medicare | $59,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 229 · 230 30-day fills |
|---|---|
| Patients | 180 |
| Total drug cost | $3,231 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Emergency Medicine |
Medical group
- Beth Israel Lahey Health Specialty Care, Inc.Burlington, MA · 267 clinicians
Hospital affiliations
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Winchester HospitalWinchester, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 emergency medicine physicians in Winchester · All emergency medicine physicians in Massachusetts