Sahaphun Hansa, MD
NPI 1982659082ActiveIndividual· Internal Medicine, Pulmonary Disease· Bakersfield, CA
Internal Medicine, Pulmonary Disease (MD) in Bakersfield, California, trained at University of California, Geffen School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $3,105,825 for 3,900 claims, against $288,992 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 24 companies reporting payments in 2025, $2,705 in all, mostly food and beverage.
Overview
| NPI | 1982659082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | May 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | G70534 | CA |
| Internal Medicine | 207R00000X | G70534 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | G70534 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 856 |
|---|---|
| Services billed | 6,585 across 37 procedure codes |
| Paid by Medicare | $288,992 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,900 · 6,159 30-day fills |
|---|---|
| Patients | 498 |
| Total drug cost | $3,105,825 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Bakersfield Memorial HospitalBakersfield, CA
Industry payments (Open Payments)
- 2025$2,705 · 118 payments from 24 companies
- 2024$2,137 · 101 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $441.81 | 26 |
| Verona Pharma, Inc. | $288.20 | 10 |
| Astrazeneca Pharmaceuticals LP | $231.93 | 13 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $227.09 | 11 |
| Merck Sharp & Dohme LLC | $222.16 | 4 |
What the 2025 payments were for
- Food and Beverage$2,705 · 118 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 pulmonologists in Bakersfield · All pulmonologists in California