Gary Alan Bass, MD
NPI 1881924801ActiveIndividual· Surgery· Philadelphia, PA
Surgery (MD) with University of Penn - Medical Group, practicing in Philadelphia, Pennsylvania. Medicare paid $28,435 for services to 140 patients in 2024. Lists Hospital of Univ of Pennsylvania and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1881924801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 14, 2010 |
| Last updated in NPPES | May 21, 2026 |
| Certified by provider | May 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD472249 | PA |
| Surgery, Surgical Critical Care | 2086S0102X | MD472249 | PA |
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 - General Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 305 across 33 procedure codes |
| Paid by Medicare | $28,435 |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Penn Presbyterian Medical CenterPhiladelphia, PA
- Pennsylvania HospitalPhiladelphia, PA
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 476 general surgeons in Philadelphia · All general surgeons in Pennsylvania