Stavros R. Karatsoridis, D.O.
NPI 1588645394ActiveIndividual· Internal Medicine· Defiance, OH
Internal Medicine (D.O.) in Defiance, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,869,433 for 26,182 claims, against $123,706 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $417.07 in all, mostly food and beverage.
Overview
| NPI | 1588645394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Nov 9, 2005 |
| Last updated in NPPES | Jul 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 34008351 | 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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,028 |
|---|---|
| Services billed | 3,499 across 28 procedure codes |
| Paid by Medicare | $123,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26,182 · 36,807 30-day fills |
|---|---|
| Patients | 789 |
| Total drug cost | $1,869,433 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Medical Partners Northern Region LLCDefiance, OH · 21 clinicians
Hospital affiliations
- Community Hospitals and Wellness CentersBryan, OH
- Henry County Hospital, IncNapoleon, OH
- Mercy Health - Defiance HospitalDefiance, OH
- Mercy St Vincent Medical CenterToledo, OH
- Paulding County HospitalPaulding, OH
Other facilities
- Community Health Professionals, IncHome health agency · Van Wert, OH
- Elara CaringHome health agency · Toledo, OH
- Chp Home Care & HospiceHospice · Van Wert, OH
- Brookview Healthcare CenterNursing home · Defiance, OH
- Laurels of Defiance theNursing home · Defiance, OH
Industry payments (Open Payments)
- 2025$417.07 · 22 payments from 15 companies
- 2024$103.13 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $50.88 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $45.30 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $43.80 | 2 |
| Novo Nordisk Inc | $36.37 | 2 |
| Lilly USA, LLC | $34.38 | 2 |
What the 2025 payments were for
- Food and Beverage$417.07 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Defiance
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- 1518949494