Anna Elizabeth Willis, PA-C
NPI 1952652729ActiveIndividual· Physician Assistant· Centennial, CO
Physician Assistant (PA-C) in Centennial, Colorado, licensed in CO, with an NPI issued in September 2012. Their prescriptions cost Medicare Part D more than their services did: $130,362 for 1,164 claims, against $63,447 paid for services in 2024. Janssen Biotech, Inc. was the largest of 7 companies reporting payments in 2024, $440.44 in all, mostly food and beverage.
Overview
| NPI | 1952652729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 19, 2012 |
| Last updated in NPPES | Jul 29, 2026 |
| Certified by provider | Jul 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0003482 | CO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 1,376 across 41 procedure codes |
| Paid by Medicare | $63,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,164 · 2,207 30-day fills |
|---|---|
| Patients | 371 |
| Total drug cost | $130,362 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2024$440.44 · 10 payments from 7 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $180.47 | 3 |
| Dendreon Pharmaceuticals LLC | $145.45 | 1 |
| Tolmar, Inc. | $30.26 | 2 |
| 180 Medical, Inc. | $26.91 | 1 |
| Zimmer Biomet Holdings, Inc. | $22.38 | 1 |
What the 2024 payments were for
- Food and Beverage$372.44 · 9 payments
- Education$68.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 physician assistants in Centennial · All physician assistants in Colorado