Vinay K. Buttan, MD
NPI 1699840728ActiveIndividual· Internal Medicine· Porterville, CA
Internal Medicine (MD) in Porterville, California, licensed in CA, with an NPI issued in November 2006. Their prescriptions cost Medicare Part D more than their services did: $942,644 for 13,308 claims, against $147,555 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $620.35 in all, mostly food and beverage. Lists Sierra View Medical Center as a hospital affiliation.
Overview
| NPI | 1699840728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 22, 2006 |
| Last updated in NPPES | Aug 16, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A33656 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 2,696 across 20 procedure codes |
| Paid by Medicare | $147,555 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,308 · 22,419 30-day fills |
|---|---|
| Patients | 433 |
| Total drug cost | $942,644 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Sierra View Medical CenterPorterville, CA
Other facilities
- Seva Home HealthHome health agency · Porterville, CA
- Gateway Post AcuteNursing home · Porterville, CA
- River Walk Care CenterNursing home · Porterville, CA
- Sequoia Transitional CareNursing home · Porterville, CA
- Sierra Valley Rehab CenterNursing home · Porterville, CA
Industry payments (Open Payments)
- 2025$620.35 · 30 payments from 3 companies
- 2024$560.92 · 36 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $432.60 | 24 |
| Lilly USA, LLC | $135.31 | 3 |
| Glaxosmithkline, LLC. | $52.44 | 3 |
What the 2025 payments were for
- Food and Beverage$620.35 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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