Benjamin Bansun Chang, MD
NPI 1023008117ActiveIndividual· Surgery, Vascular Surgery· Williamsport, PA
Surgery, Vascular Surgery (MD) in Williamsport, Pennsylvania, trained at Albany Medical College of Union University (class of 1982). 327 Medicare patients in 2024, $46,771 paid; nearly all of their 118 Part D prescriptions were generic (99%). Lemaitre Vascular, Inc. reported $2,265 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1023008117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 28, 2005 |
| Last updated in NPPES | Jan 6, 2022 |
| Certified by provider | Jan 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | MD476246 | PA |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | 1697666 | NY |
| Surgery, Vascular Surgery | 2086S0129X | 169766 | NY |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | 169766 | 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 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 - Vascular Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 688 across 56 procedure codes |
| Paid by Medicare | $46,771 |
Part D prescriptions in 2024
| Prescriptions (claims) | 118 · 250 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $1,845 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Vascular Surgery |
Medical group
- Susquehanna Physician ServicesWilliamsport, PA · 612 clinicians
Hospital affiliations
- Upmc WellsboroWellsboro, PA
- Upmc WilliamsportWilliamsport, PA
Industry payments (Open Payments)
- 2025$2,265 · 4 payments from 1 company
- 2024$59.15 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lemaitre Vascular, Inc. | $2,265 | 4 |
What the 2025 payments were for
- Consulting Fee$2,000 · 1 payment
- Food and Beverage$264.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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