Mary Ellen Mullins, NP
NPI 1073641049ActiveIndividual· Nurse Practitioner· Centennial, CO
Nurse Practitioner (NP) with Dr. Willard's Family Practice, P.C., practicing in Centennial, Colorado. Their prescriptions cost Medicare Part D more than their services did: $450,116 for 4,883 claims, against $45,634 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $691.09 in all, mostly food and beverage. Lists Adventhealth Parker and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073641049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 1, 2007 |
| Last updated in NPPES | Oct 16, 2026 |
| Certified by provider | Oct 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4958 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 1,003 across 22 procedure codes |
| Paid by Medicare | $45,634 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,883 · 12,404 30-day fills |
|---|---|
| Patients | 494 |
| Total drug cost | $450,116 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Dr. Willard's Family Practice, P.C.Centennial, CO · 3 clinicians
Hospital affiliations
- Adventhealth ParkerParker, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$691.09 · 51 payments from 11 companies
- 2024$710.50 · 46 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $329.51 | 17 |
| Astrazeneca Pharmaceuticals LP | $140.67 | 20 |
| Vertex Pharmaceuticals Incorporated | $37.60 | 2 |
| Pfizer Inc. | $32.88 | 2 |
| Amgen Inc. | $30.60 | 2 |
What the 2025 payments were for
- Food and Beverage$691.09 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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