Mark T. Mueller, M.D.
NPI 1063464923ActiveIndividual· Family Medicine· Lima, OH
Family Medicine (M.D.) in Lima, Ohio, trained at Medical College of Ohio (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,286,287 for 12,634 claims, against $116,299 paid for services in 2024. Exact Sciences Corporation was the largest of 5 companies reporting payments in 2025, $216.27 in all, mostly food and beverage.
Overview
| NPI | 1063464923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Apr 6, 2021 |
| Certified by provider | Apr 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 35076924 | 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 - Family Practice (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 410 |
|---|---|
| Services billed | 7,368 across 41 procedure codes |
| Paid by Medicare | $116,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,634 · 28,808 30-day fills |
|---|---|
| Patients | 859 |
| Total drug cost | $1,286,287 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Family Practice |
Medical group
- Mercy Health Physicians Lima, LLCDelphos, OH · 55 clinicians
Hospital affiliations
- Grand Lake Health SystemSaint Marys, OH
- Lima Memorial Health SystemLima, OH
- Mercy Health St Ritas Medical CenterLima, OH
Other facilities
- Lima Memorial Hospital Home Health CareHome health agency · Lima, OH
- Mercy Health-Home Health, LimaHome health agency · Lima, OH
Industry payments (Open Payments)
- 2025$216.27 · 12 payments from 5 companies
- 2024$133.94 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $76.77 | 4 |
| Novo Nordisk Inc | $48.66 | 3 |
| Glaxosmithkline, LLC. | $43.36 | 3 |
| Dexcom, Inc. | $27.57 | 1 |
| Lilly USA, LLC | $19.91 | 1 |
What the 2025 payments were for
- Food and Beverage$216.27 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 68 family medicine physicians in Lima · All family medicine physicians in Ohio