Andrea Williamson, CRNA
NPI 1568002715ActiveIndividual· Nurse Anesthetist, Certified Registered· Wynnewood, PA
Nurse Anesthetist, Certified Registered (CRNA) with Clinical Care Associates of the University of Pennsylvania Health. and 1 other group, practicing in Wynnewood, Pennsylvania. Medicare paid $17,421 for services to 174 patients in 2024. Merck Sharp & Dohme LLC reported $21.41 in payments in 2025, mostly food and beverage. Lists Paoli Hospital as a hospital affiliation.
Overview
| NPI | 1568002715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Jan 15, 2020 |
| Last updated in NPPES | Jan 15, 2020 |
| Certified by provider | Jan 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | RN602336 | PA |
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 - Certified Registered Nurse Anesthetist (CRNA) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 180 across 54 procedure codes |
| Paid by Medicare | $17,421 |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Clinical Care Associates of the University of Pennsylvania Health.Philadelphia, PA · 598 clinicians
- United Anesthesia Services PCWynewood, PA · 442 clinicians
Hospital affiliation
- Paoli HospitalPaoli, PA
Industry payments (Open Payments)
- 2025$21.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $21.41 | 1 |
What the 2025 payments were for
- Food and Beverage$21.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 nurse anesthetists in Wynnewood · All nurse anesthetists in Pennsylvania