Gerald V. McMahon, M.D.
NPI 1356369060ActiveIndividual· Internal Medicine· Syracuse, NY
Internal Medicine (M.D.) in Syracuse, New York, trained at State University of Ny Upstate Medical University (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,026,577 for 8,242 claims, against $113,722 paid for services in 2024. Abbott Laboratories was the largest of 28 companies reporting payments in 2025, $1,094 in all, mostly food and beverage.
Overview
| NPI | 1356369060 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | May 10, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 177937 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 325 |
|---|---|
| Services billed | 2,842 across 75 procedure codes |
| Paid by Medicare | $113,722 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,242 · 17,441 30-day fills |
|---|---|
| Patients | 509 |
| Total drug cost | $1,026,577 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- St Josephs Medical PCSyracuse, NY · 382 clinicians
Hospital affiliations
- St Joseph's Hospital Health CenterSyracuse, NY
- University Hospital S U N y Health Science CenterSyracuse, NY
Other facilities
- Centerwell Home HealthHome health agency · Liverpool, NY
- Nascentia Health at HomeHome health agency · Syracuse, NY
- Hospice of Central New YorkHospice · Liverpool, NY
Industry payments (Open Payments)
- 2025$1,094 · 54 payments from 28 companies
- 2024$942.24 · 46 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $117.31 | 7 |
| Ucb, Inc. | $71.07 | 3 |
| Pfizer Inc. | $69.83 | 3 |
| Glaxosmithkline, LLC. | $68.13 | 4 |
| Novo Nordisk Inc | $59.93 | 3 |
What the 2025 payments were for
- Food and Beverage$1,094 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 188 internal medicine physicians in Syracuse · All internal medicine physicians in New York