Michael McMahon, P.A.
NPI 1629072442ActiveIndividual· Physician Assistant, Medical· Wallingford, CT
Physician Assistant, Medical (P.A.) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Wallingford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $746,021 for 2,947 claims, against $26,253 paid for services in 2024. Impulse Dynamics (USA) Inc. was the largest of 13 companies reporting payments in 2025, $731.68 in all, mostly food and beverage. Lists The Hospital of Central Connecticut as a hospital affiliation.
Overview
| NPI | 1629072442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2005 |
| Last updated in NPPES | Apr 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 000844 | CT |
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 - Physician Assistant (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 374 across 13 procedure codes |
| Paid by Medicare | $26,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,947 · 7,735 30-day fills |
|---|---|
| Patients | 511 |
| Total drug cost | $746,021 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliation
- The Hospital of Central ConnecticutNew Britain, CT
Industry payments (Open Payments)
- 2025$731.68 · 20 payments from 13 companies
- 2024$1,903 · 60 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Impulse Dynamics (USA) Inc. | $246.00 | 2 |
| Novartis Pharmaceuticals Corporation | $81.83 | 3 |
| E.R. Squibb & Sons, L.L.C. | $79.68 | 3 |
| Alnylam Pharmaceuticals Inc. | $57.93 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $48.83 | 2 |
What the 2025 payments were for
- Food and Beverage$731.68 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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