Mark Kremer, PA-C
NPI 1659951085ActiveIndividual· Physician Assistant· Hamilton, OH
Physician Assistant (PA-C) in Hamilton, Ohio, trained at University of Toledo College of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $72,088 for 1,216 claims, against $44,626 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 10 companies reporting payments in 2025, $462.59 in all, mostly food and beverage.
Overview
| NPI | 1659951085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Apr 9, 2021 |
| Last updated in NPPES | Jul 30, 2024 |
| Certified by provider | Aug 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 50.006928 | OH |
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 - Physician Assistant (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 721 across 8 procedure codes |
| Paid by Medicare | $44,626 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,216 · 2,649 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $72,088 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Physician Assistant |
Medical group
- Nephrology Assoc. of Sw Ohio Inc.Oxford, OH · 7 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Fort Hamilton Hughes Memorial HospitalHamilton, OH
- McCullough-Hyde Memorial HospitalOxford, OH
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health - West HospitalCincinnati, OH
Industry payments (Open Payments)
- 2025$462.59 · 19 payments from 10 companies
- 2024$228.48 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $95.43 | 2 |
| Novartis Pharmaceuticals Corporation | $78.73 | 3 |
| Travere Therapeutics, Inc. | $67.40 | 3 |
| Otsuka America Pharmaceutical, Inc. | $49.27 | 2 |
| Astrazeneca Pharmaceuticals LP | $42.03 | 2 |
What the 2025 payments were for
- Food and Beverage$352.45 · 16 payments
- Education$110.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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