Mark Allen, PA-C
NPI 1609254309ActiveIndividual· Physician Assistant· Chico, CA
Physician Assistant (PA-C) with Eric L Ellis MD Inc, practicing in Chico, California. 764 Medicare patients in 2024, $86,772 paid; nearly all of their 1,484 Part D prescriptions were generic (93%). Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $53.69 in all, mostly food and beverage. Lists Sutter Auburn Faith Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1609254309 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | May 13, 2015 |
| Last updated in NPPES | Sep 30, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA52453 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 764 |
|---|---|
| Services billed | 4,169 across 101 procedure codes |
| Paid by Medicare | $86,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,484 · 1,672 30-day fills |
|---|---|
| Patients | 864 |
| Total drug cost | $25,497 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Eric L Ellis MD IncRoseville, CA · 17 clinicians
Hospital affiliations
- Sutter Auburn Faith HospitalAuburn, CA
- Sutter Roseville Medical CenterRoseville, CA
Industry payments (Open Payments)
- 2025$53.69 · 3 payments from 2 companies
- 2024$63.76 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $34.67 | 2 |
| Astrazeneca Pharmaceuticals LP | $19.02 | 1 |
What the 2025 payments were for
- Food and Beverage$53.69 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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