Shannon D. Ahrens, P.A.
NPI 1932139367ActiveIndividual· Physician Assistant· Midland, MI
Physician Assistant (P.A.) with Jennifer Nash MD Dermatology Associates of Midland, PLC, practicing in Midland, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,390,140 for 2,016 claims, against $92,682 paid for services in 2024. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $997.85 in all, mostly food and beverage. Lists Mymichigan Medical Center Midland and 1 other hospital as hospital affiliations.
Overview
| NPI | 1932139367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Dec 18, 2025 |
| Certified by provider | Dec 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601004273 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 837 |
|---|---|
| Services billed | 3,283 across 37 procedure codes |
| Paid by Medicare | $92,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,016 · 2,447 30-day fills |
|---|---|
| Patients | 735 |
| Total drug cost | $1,390,140 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Jennifer Nash MD Dermatology Associates of Midland, PLCMidland, MI · 5 clinicians
Hospital affiliations
- Mymichigan Medical Center MidlandMidland, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$997.85 · 58 payments from 12 companies
- 2024$1,175 · 59 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $270.85 | 18 |
| Abbvie Inc. | $216.32 | 17 |
| Genzyme Corporation | $138.90 | 8 |
| Ucb, Inc. | $94.95 | 3 |
| E.R. Squibb & Sons, L.L.C. | $54.16 | 3 |
What the 2025 payments were for
- Food and Beverage$898.85 · 57 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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