Theofanis Mitsinikos, D.O.
NPI 1467624064ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Stony Brook, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) in Stony Brook, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $4,057,731 for 6,217 claims, against $702,436 paid for services in 2024. Intra-Sana Laboratories was the largest of 31 companies reporting payments in 2025, $21,231 in all, mostly honoraria.
Overview
| NPI | 1467624064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2008 |
| Last updated in NPPES | Jan 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 235458 | NY |
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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,212 |
|---|---|
| Services billed | 40,213 across 49 procedure codes |
| Paid by Medicare | $702,436 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,217 · 16,839 30-day fills |
|---|---|
| Patients | 851 |
| Total drug cost | $4,057,731 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$21,231 · 191 payments from 31 companies
- 2024$26,279 · 241 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intra-Sana Laboratories | $8,120 | 11 |
| Lilly USA, LLC | $4,887 | 15 |
| Abbvie Inc. | $2,612 | 12 |
| Mannkind Corporation | $1,382 | 19 |
| Novo Nordisk Inc | $760.90 | 22 |
What the 2025 payments were for
- Honoraria$7,500 · 3 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,950 · 6 payments
- Food and Beverage$6,768 · 180 payments
- Travel and Lodging$12.80 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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