David Griffin, PA-C
NPI 1124537329ActiveIndividual· Physician Assistant· Hamden, CT
Physician Assistant (PA-C) with Rehabilitation Associates Inc and 1 other group, practicing in Hamden, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $528,451 for 1,662 claims, against $15,981 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $2,088 in all, mostly food and beverage. Lists Bridgeport Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1124537329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 20, 2017 |
| Last updated in NPPES | May 27, 2021 |
| Certified by provider | May 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 003957 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 201 |
|---|---|
| Services billed | 268 across 13 procedure codes |
| Paid by Medicare | $15,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,662 · 3,045 30-day fills |
|---|---|
| Patients | 714 |
| Total drug cost | $528,451 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$2,088 · 103 payments from 21 companies
- 2024$1,412 · 74 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $728.48 | 40 |
| Ardelyx, Inc. | $260.61 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $213.83 | 9 |
| Ipsen Biopharmaceuticals, Inc | $170.61 | 10 |
| Madrigal Pharmaceuticals | $150.37 | 8 |
What the 2025 payments were for
- Food and Beverage$2,088 · 103 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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