John Kasawa, M.D.
NPI 1134230329ActiveIndividual· Family Medicine· El Cajon, CA
Family Medicine (M.D.) in El Cajon, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $151,342 for 2,961 claims, against $530.13 paid for services in 2024. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $91.98 in all, mostly food and beverage.
Overview
| NPI | 1134230329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A79338 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 48 across 12 procedure codes |
| Paid by Medicare | $530.13 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,961 · 4,052 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $151,342 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$91.98 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $70.82 | 1 |
| Astellas Pharma US Inc | $21.16 | 1 |
What the 2025 payments were for
- Food and Beverage$91.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 family medicine physicians in El Cajon · All family medicine physicians in California