Erin C. Desrosiers, PA
NPI 1659564557ActiveIndividual· Physician Assistant· Williamsburg, VA
Physician Assistant (PA) with Tidewater Physicians Multispecialty Group, PC, practicing in Williamsburg, Virginia. In 2024 Medicare paid $94,804 for 623 patients, and Part D covered 651 of their prescriptions, 87% of them generic. Abbvie Inc. was the largest of 26 companies reporting payments in 2025, $1,857 in all, mostly food and beverage. Lists Sentara Careplex Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1659564557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 23, 2007 |
| Last updated in NPPES | May 24, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0110002569 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 623 |
|---|---|
| Services billed | 2,522 across 50 procedure codes |
| Paid by Medicare | $94,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 651 · 1,261 30-day fills |
|---|---|
| Patients | 319 |
| Total drug cost | $97,697 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Tidewater Physicians Multispecialty Group, PCWilliamsburg, VA · 261 clinicians
Hospital affiliations
- Sentara Careplex HospitalHampton, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Williamsburg Regional Medical CenterWilliamsburg, VA
Industry payments (Open Payments)
- 2025$1,857 · 76 payments from 26 companies
- 2024$2,120 · 70 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $272.13 | 13 |
| Sumitomo Pharma America, Inc. | $164.31 | 8 |
| Janssen Biotech, Inc. | $144.17 | 6 |
| Karl Storz Endoscopy-America | $125.57 | 1 |
| Teleflex LLC | $109.62 | 4 |
What the 2025 payments were for
- Food and Beverage$1,857 · 76 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 physician assistants in Williamsburg · All physician assistants in Virginia