Vannara Sakbun, MD, PHD
NPI 1558335893ActiveIndividual· Obstetrics & Gynecology· Terre Haute, IN
Obstetrics & Gynecology (MD, PHD) in Terre Haute, Indiana, trained at University of Hawaii John A. Burns School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $14,541 for 118 claims, against $7,087 paid for services in 2024. Biogen, Inc. was the largest of 8 companies reporting payments in 2025, $296.05 in all, mostly food and beverage.
Overview
| NPI | 1558335893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | Yes |
| NPI issued | Feb 14, 2006 |
| Last updated in NPPES | May 21, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 01043923A | IN |
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 - Obstetrics/Gynecology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 108 across 19 procedure codes |
| Paid by Medicare | $7,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 118 · 207 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $14,541 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Union Hospital IncRiley, IN · 88 clinicians
Hospital affiliations
- Terre Haute Regional HospitalTerre Haute, IN
- Union Hospital IncTerre Haute, IN
Industry payments (Open Payments)
- 2025$296.05 · 13 payments from 8 companies
- 2024$249.84 · 12 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $92.95 | 4 |
| Daiichi Sankyo Inc. | $56.25 | 2 |
| Exact Sciences Corporation | $37.68 | 2 |
| Axsome Therapeutics, Inc. | $32.05 | 1 |
| Argenx US, Inc. | $25.28 | 1 |
What the 2025 payments were for
- Food and Beverage$296.05 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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