Garrett S. Matsunaga, M.D.
NPI 1740201623ActiveIndividual· Urology· Torrance, CA
Urology (M.D.) in Torrance, California, trained at University of Texas Medical School at San Antonio (class of 2000). 1,683 Medicare patients in 2024, $657,222 paid; nearly all of their 1,742 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $893.61 in all, mostly food and beverage.
Overview
| NPI | 1740201623 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2006 |
| Last updated in NPPES | Oct 25, 2021 |
| Certified by provider | Oct 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | A77838 | 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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,683 |
|---|---|
| Services billed | 30,237 across 111 procedure codes |
| Paid by Medicare | $657,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,742 · 4,036 30-day fills |
|---|---|
| Patients | 539 |
| Total drug cost | $239,408 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliations
- Memorialcare Long Beach Medical CenterLong Beach, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$893.61 · 33 payments from 16 companies
- 2024$1,555 · 59 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $214.91 | 10 |
| Janssen Biotech, Inc. | $131.24 | 2 |
| Boston Scientific Corporation | $72.94 | 2 |
| Telix Pharmaceuticals | $70.47 | 3 |
| Urogen Pharma, Inc. | $66.19 | 2 |
What the 2025 payments were for
- Food and Beverage$793.62 · 32 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 urologists in Torrance · All urologists in California