Eric A. Duffield, P.A
NPI 1245427004ActiveIndividual· Physician Assistant· Lansing, MI
Physician Assistant (P.A) with Memorial Hospital, practicing in Lansing, Michigan. Their prescriptions cost Medicare Part D more than their services did: $531,445 for 5,570 claims, against $23,382 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $930.75 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1245427004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A |
| Sole proprietor | No |
| NPI issued | Sep 26, 2007 |
| Last updated in NPPES | Sep 26, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601003938 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 522 across 29 procedure codes |
| Paid by Medicare | $23,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,570 · 10,787 30-day fills |
|---|---|
| Patients | 440 |
| Total drug cost | $531,445 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$930.75 · 50 payments from 17 companies
- 2024$574.23 · 31 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $250.00 | 17 |
| Novo Nordisk Inc | $102.51 | 5 |
| Ucb, Inc. | $94.93 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $90.68 | 5 |
| Glaxosmithkline, LLC. | $70.84 | 4 |
What the 2025 payments were for
- Food and Beverage$930.75 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 161 physician assistants in Lansing · All physician assistants in Michigan