Mason Andrew Hartzler, PA-C
NPI 1184285645ActiveIndividual· Physician Assistant· Fairlawn, OH
Physician Assistant (PA-C) with Summa Physicians LLC, practicing in Fairlawn, Ohio. 26 Medicare patients in 2024, $3,011 paid; nearly all of their 248 Part D prescriptions were generic (99%). Lilly USA, LLC was the largest of 14 companies reporting payments in 2025, $505.26 in all, mostly food and beverage. Lists Summa Health System as a hospital affiliation.
Overview
| NPI | 1184285645 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 25, 2019 |
| Last updated in NPPES | Jan 4, 2020 |
| Certified by provider | Jan 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 50.006003RX | 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 | 26 |
|---|---|
| Services billed | 43 across 24 procedure codes |
| Paid by Medicare | $3,011 |
Part D prescriptions in 2024
| Prescriptions (claims) | 248 · 248 30-day fills |
|---|---|
| Patients | 124 |
| Total drug cost | $1,899 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Summa Physicians LLCAkron, OH · 671 clinicians
Hospital affiliation
- Summa Health SystemAkron, OH
Industry payments (Open Payments)
- 2025$505.26 · 22 payments from 14 companies
- 2024$139.35 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $67.82 | 3 |
| Emd Serono, Inc. | $57.45 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $52.52 | 2 |
| Jazz Pharmaceuticals Inc. | $47.05 | 2 |
| Novartis Pharmaceuticals Corporation | $40.70 | 2 |
What the 2025 payments were for
- Food and Beverage$505.26 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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