Mary C. Chang, D.O.
NPI 1407870389ActiveIndividual· Obstetrics & Gynecology· Haverhill, MA
Obstetrics & Gynecology (D.O.) in Haverhill, Massachusetts, licensed in MA and TX, with an NPI issued in July 2006. Part D covered 41 prescriptions written in 2024, 76% of them generic.
Overview
| NPI | 1407870389 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Oct 18, 2021 |
| Certified by provider | Oct 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 243524 | MA |
| Obstetrics & Gynecology, Obstetrics | 207VX0000X | K1390 | TX |
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 - Obstetrics/Gynecology (MA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 69 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $4,387 |
| Generic share | 76% of claims |
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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