Sean Nonnemaker, D.O
NPI 1245573609ActiveIndividual· Internal Medicine· Bradenton, FL
Internal Medicine (D.O) in Bradenton, Florida, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $497,037 for 6,535 claims, against $252,292 paid for services in 2024. Abbott Laboratories was the largest of 8 companies reporting payments in 2025, $288.71 in all, mostly food and beverage.
Overview
| NPI | 1245573609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | Apr 3, 2013 |
| Last updated in NPPES | Feb 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS12880 | FL |
| Hospitalist | 208M00000X | OS12880 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,034 |
|---|---|
| Services billed | 3,501 across 31 procedure codes |
| Paid by Medicare | $252,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,535 · 10,878 30-day fills |
|---|---|
| Patients | 548 |
| Total drug cost | $497,037 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
Medical group
- Hospitalist Group of Manatee County LLCBradenton, FL · 6 clinicians
Hospital affiliations
- HCA Florida Blake HospitalBradenton, FL
- Manatee Memorial HospitalBradenton, FL
- Sarasota Memorial HospitalSarasota, FL
Other facilities
- Manatee Health at Home By BayadaHome health agency · Sun City Center, FL
- Aviata at Palma Sola BayNursing home · Bradenton, FL
Industry payments (Open Payments)
- 2025$288.71 · 10 payments from 8 companies
- 2024$276.97 · 11 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $109.37 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $54.32 | 2 |
| Pfizer Inc. | $45.36 | 2 |
| Amgen Inc. | $17.83 | 1 |
| Lilly USA, LLC | $16.63 | 1 |
What the 2025 payments were for
- Food and Beverage$288.71 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 180 internal medicine physicians in Bradenton · All internal medicine physicians in Florida