Doctor profile · Federal record
Dr. Garrett Matsunaga, M.D.
Urology Physician (CMS: Urology) · Torrance, CA
- NPI 1740201623
- Accepts Medicare
- MIPS 82.5 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20911 Earl St Ste 140
Torrance, CA 905034353
(310) 542-0199
fax (310) 542-4652 - Mailing address
-
Po Box 845996
Los Angeles, CA 900845996
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 25, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- California #A77838
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740201623. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
31,961
Distinct HCPCS
10
Medicare allowed
$612,868
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1071 |
Injection, testosterone cypionate, 1 mg | 24,100 | 17 | $0 | |
81003 |
Automated urinalysis test | 1,594 | 1,073 | $2 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,295 | 920 | $136 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 1,034 | 790 | $12 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 657 | 193 | $67 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 504 | 379 | $125 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 329 | 108 | $51 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 322 | 291 | $93 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 217 | 217 | $179 | |
76856 |
Complete ultrasound scan of pelvis | 214 | 207 | $121 |
In context: peer comparison
Among 6 peers in Torrance Urology Physician, average services per provider: 413. This provider delivers 77× the peer median.Open Payments
Industry payments received
All-time total
$1,555
Transactions
53
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 13 | $246.78 | |
| Sumitomo Pharma America, INC. | 9 | $221.31 | |
| Procept BioRobotics Corporation | 3 | $133.30 | |
| Axonics, INC. | 2 | $131.61 | |
| Biotissue Holdings INC. | 2 | $107.74 | |
| Myriad Genetic Laboratories, INC. | 5 | $83.93 | |
| Telix Pharmaceuticals | 3 | $80.86 | |
| Janssen Biotech, INC. | 3 | $73.47 | |
| Urogen Pharma, INC. | 2 | $56.51 | |
| Progenics Pharmaceuticals, INC. | 2 | $53.38 | |
| Laborie Medical Technologies Corp. | 2 | $53.04 | |
| Astellas Pharma US INC | 2 | $46.31 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $44.87 | |
| Pfizer INC. | 2 | $43.50 | |
| Dendreon Pharmaceuticals LLC | 1 | $34.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,346
Patients
552
Total drug cost
$185,321
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 432 | 166 | $12,974 |
| Finasteride | Generic | 294 | 100 | $6,121 |
| Alfuzosin Hcl ER (Alfuzosin Hcl) | Brand | 118 | 45 | $4,278 |
| Ciprofloxacin Hcl | Generic | 103 | 89 | $703 |
| Dutasteride | Generic | 90 | 37 | $6,589 |
| Gemtesa (Vibegron) | Brand | 61 | 20 | $60,108 |
| Silodosin | Generic | 55 | 22 | $8,676 |
| Myrbetriq (Mirabegron) | Brand | 36 | 0 | $23,370 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 26 | 23 | $244 |
| Tramadol Hcl | Generic | 25 | 25 | $92 |
Frequently asked questions
What is Dr. Garrett Matsunaga's medical specialty?
Dr. Garrett Matsunaga practices Urology Physician in Torrance, CA.
Where does Dr. Garrett Matsunaga practice?
Dr. Garrett Matsunaga practices at 20911 Earl St Ste 140, Torrance, CA 905034353. Office phone: 3105420199.
What is Dr. Garrett Matsunaga's NPI?
Dr. Garrett Matsunaga's National Provider Identifier (NPI) is 1740201623, issued by NPPES.
Does Dr. Garrett Matsunaga accept Medicare assignment?
Yes. Dr. Garrett Matsunaga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Matsunaga commonly perform?
Top Medicare-reported procedures in 2023: Injection, testosterone cypionate, 1 mg (HCPCS J1071); Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.