Shunpei Keith Iwata, M.D.
NPI 1396931309ActiveIndividual· Internal Medicine· Pasadena, CA
Internal Medicine (M.D.) in Pasadena, California, trained at University of Vermont College of Medicine (class of 2004). 247 Medicare patients in 2024, $103,388 paid; nearly all of their 3,470 Part D prescriptions were generic (95%).
Overview
| NPI | 1396931309 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 24, 2007 |
| Last updated in NPPES | Aug 27, 2021 |
| Certified by provider | Aug 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A95845 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 1,322 across 12 procedure codes |
| Paid by Medicare | $103,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,470 · 8,236 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $135,141 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
Other facilities
- Sierra Home Healthcare Services, IncHome health agency · Los Angeles, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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