Oleg Vinnikov, MD
NPI 1265502900ActiveIndividual· Hospitalist· Doylestown, PA
Hospitalist (MD) with Via Affiliates and 1 other group, practicing in Doylestown, Pennsylvania. In 2024 Medicare paid $129,551 for 387 patients, and Part D covered 358 of their prescriptions, 87% of them generic. Tetraphase Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $258.32 in all, mostly food and beverage. Lists Doylestown Hospital as a hospital affiliation.
Overview
| NPI | 1265502900 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 9, 2006 |
| Last updated in NPPES | Oct 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | MD425595 | PA |
| Internal Medicine | 207R00000X | MD425595 | PA |
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 - Hospitalist (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,536 across 10 procedure codes |
| Paid by Medicare | $129,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 358 · 399 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $24,443 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Via AffiliatesDoylestown, PA · 180 clinicians
- Clinical Specialty AssociatesDoylestown, PA · 171 clinicians
Hospital affiliation
- Doylestown HospitalDoylestown, PA
Other facilities
- Penn Medicine Hospice DoylestownHospice · Doylestown, PA
Industry payments (Open Payments)
- 2025$258.32 · 13 payments from 6 companies
- 2024$1,405 · 77 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tetraphase Pharmaceuticals, Inc. | $66.60 | 3 |
| Pfizer Inc. | $55.61 | 3 |
| E.R. Squibb & Sons, L.L.C. | $47.94 | 3 |
| Merck Sharp & Dohme LLC | $35.25 | 2 |
| Abbvie Inc. | $29.07 | 1 |
What the 2025 payments were for
- Food and Beverage$258.32 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 hospitalists in Doylestown · All hospitalists in Pennsylvania