Mary F. Welsh, M.D.
NPI 1063406874ActiveIndividual· Surgery· Fairfield, NJ
Surgery (M.D.) with Rwjbh Observation Associates LLC, practicing in Fairfield, New Jersey. Medicare paid $1,808 for services to 13 patients in 2024. Ethicon US, LLC reported $22.80 in payments in 2025, mostly food and beverage. Lists Robert Wood Johnson University Hospital - Somerset and 1 other hospital as hospital affiliations.
Overview
| NPI | 1063406874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 7, 2005 |
| Last updated in NPPES | Jan 17, 2017 |
| Reactivated | Apr 5, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 25MA062000800 | NJ |
| Surgery | 208600000X | MD054775L | 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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 14 across 11 procedure codes |
| Paid by Medicare | $1,808 |
Education and affiliations
| Graduation year | 1971 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Rwjbh Observation Associates LLCJersey City, NJ · 1,008 clinicians
Hospital affiliations
- Robert Wood Johnson University Hospital - SomersetSomerville, NJ
- Robert Wood Johnson University Hospital at HamiltonHamilton, NJ
Industry payments (Open Payments)
- 2025$22.80 · 1 payment from 1 company
- 2024$17.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $22.80 | 1 |
What the 2025 payments were for
- Food and Beverage$22.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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