Gerard Chang, MD
NPI 1972990794ActiveIndividual· Orthopaedic Surgery· Lebanon, NH
Orthopaedic Surgery (MD) in Lebanon, New Hampshire, trained at Tufts University School of Medicine (class of 2015). Mostly services rather than prescriptions: Medicare paid $97,141 for 152 patients in 2024, with only 28 Part D claims. Stryker Corporation was the largest of 3 companies reporting payments in 2025, $334.16 in all, mostly food and beverage.
Overview
| NPI | 1972990794 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 20, 2015 |
| Last updated in NPPES | Aug 9, 2021 |
| Certified by provider | Aug 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 21646 | NH |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 281 across 74 procedure codes |
| Paid by Medicare | $97,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 30 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $212.49 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Alice Peck Day Memorial HospitalLebanon, NH
- Gifford Medical CenterRandolph, VT
- Mary Hitchcock Memorial HospitalLebanon, NH
- New London HospitalNew London, NH
- Valley Regional HospitalClaremont, NH
Industry payments (Open Payments)
- 2025$334.16 · 5 payments from 3 companies
- 2024$2,003 · 8 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $276.93 | 3 |
| Skeletal Dynamics Inc | $40.43 | 1 |
| Globus Medical, Inc. | $16.80 | 1 |
What the 2025 payments were for
- Food and Beverage$334.16 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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