Paul S. Chang, D.O.
NPI 1285639740ActiveIndividual· Orthopaedic Surgery· Newburyport, MA
Orthopaedic Surgery (D.O.) in Newburyport, Massachusetts, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1991). 234 Medicare patients in 2024, $54,961 paid; all of their 122 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $1,037 in all, mostly food and beverage.
Overview
| NPI | 1285639740 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2005 |
| Last updated in NPPES | Oct 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 243728 | MA |
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 - Orthopedic Surgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 1,156 across 67 procedure codes |
| Paid by Medicare | $54,961 |
Part D prescriptions in 2024
| Prescriptions (claims) | 122 · 140 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $884.85 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Seacoast Orthopedic Assoc IncNewburyport, MA · 8 clinicians
Hospital affiliation
- Anna Jaques HospitalNewburyport, MA
Other facilities
- Northeast Rehabilitation HospitalInpatient rehabilitation facility · Salem, NH
Industry payments (Open Payments)
- 2025$1,037 · 12 payments from 2 companies
- 2024$108.05 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $984.17 | 9 |
| Vertex Pharmaceuticals Incorporated | $52.99 | 3 |
What the 2025 payments were for
- Food and Beverage$600.44 · 10 payments
- Travel and Lodging$436.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Newburyport
- 1366462616
- 1154610384
- 1730163692
- 1841274875
- 1386517043