Mark Irving, PA-C
NPI 1902227184ActiveIndividual· Physician Assistant, Medical· Lancaster, OH
Physician Assistant, Medical (PA-C) with Fairfield Community Health Center, practicing in Lancaster, Ohio. Their prescriptions cost Medicare Part D more than their services did: $25,908 for 434 claims, against $495.99 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 13 companies reporting payments in 2025, $429.98 in all, mostly food and beverage. Lists Fairfield Medical Center as a hospital affiliation.
Overview
| NPI | 1902227184 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Dec 14, 2013 |
| Last updated in NPPES | Feb 12, 2024 |
| Certified by provider | Feb 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 50.001107 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 24 across 4 procedure codes |
| Paid by Medicare | $495.99 |
Part D prescriptions in 2024
| Prescriptions (claims) | 434 · 575 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $25,908 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Fairfield Community Health CenterLancaster, OH · 21 clinicians
Hospital affiliation
- Fairfield Medical CenterLancaster, OH
Industry payments (Open Payments)
- 2025$429.98 · 26 payments from 13 companies
- 2024$366.19 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $76.03 | 5 |
| Xeris Pharmaceuticals, Inc. | $68.12 | 4 |
| Otsuka America Pharmaceutical, Inc. | $48.99 | 3 |
| Lilly USA, LLC | $44.20 | 3 |
| Abbvie Inc. | $34.71 | 2 |
What the 2025 payments were for
- Food and Beverage$429.98 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Lancaster
- 1740974971
- 1891819611
- 1588080022
- 1447672811
- 1467964437
- 1174763239
- 1508003278
- 1033650080
- 1982938593