Masahiro Kushigemachi, M.D.
NPI 1386617058ActiveIndividual· Family Medicine· Simi Valley, CA
Family Medicine (M.D.) in Simi Valley, California, trained at University of California, San Diego School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $521,492 for 6,635 claims, against $70,083 paid for services in 2024. W. L. Gore & Associates, Inc. reported $24.63 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1386617058 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 10, 2006 |
| Last updated in NPPES | Mar 12, 2020 |
| Certified by provider | Mar 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G52214 | 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 | 257 |
|---|---|
| Services billed | 1,086 across 35 procedure codes |
| Paid by Medicare | $70,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,635 · 16,060 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $521,492 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Family Practice |
Medical group
- Adventist Health Physicians NetworkSaint Helena, CA · 628 clinicians
Hospital affiliation
- Adventist Health Simi ValleySimi Valley, CA
Other facilities
- Access Tlc Home Health CareHome health agency · San Fernando, CA
- Adventist Health Home Care ServicesHome health agency · Simi Valley, CA
- We Care Home Health, IncHome health agency · Van Nuys, CA
Industry payments (Open Payments)
- 2025$24.63 · 1 payment from 1 company
- 2024$23.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $24.63 | 1 |
What the 2025 payments were for
- Food and Beverage$24.63 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 family medicine physicians in Simi Valley · All family medicine physicians in California