Thomas Kobina Duncan, DO
NPI 1316097439ActiveIndividual· Surgery· Ventura, CA
Surgery (DO) in Ventura, California, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1992). Mostly services rather than prescriptions: Medicare paid $21,993 for 64 patients in 2024, with only 11 Part D claims. Hologic Sales and Service, LLC was the largest of 2 companies reporting payments in 2025, $151.85 in all, mostly food and beverage.
Overview
| NPI | 1316097439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | May 20, 2026 |
| Certified by provider | May 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 20A6490 | CA |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 120 across 21 procedure codes |
| Paid by Medicare | $21,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 11 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $25.92 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | General Surgery |
Medical groups
- County of VenturaVentura, CA · 344 clinicians
- Ventura County Surgical AssociatesVentura, CA · 11 clinicians
Hospital affiliation
- Ventura County Medical CenterVentura, CA
Industry payments (Open Payments)
- 2025$151.85 · 2 payments from 2 companies
- 2024$206.08 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $119.22 | 1 |
| Teva Pharmaceuticals USA, Inc. | $32.63 | 1 |
What the 2025 payments were for
- Food and Beverage$151.85 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 general surgeons in Ventura · All general surgeons in California