Physician Profile
Garrett S. Matsunaga, M.D.
Unclaimed ProfileAbout Dr. Matsunaga
Garrett S. Matsunaga, M.D. is a healthcare provider in Torrance, CA specializing in urology. Garrett trained at University of Texas Medical School at San Antonio, graduating in 2000. Medicare claims data shows Garrett provided 20,415 services to 5,819 patients. The services billed most often include injection, testosterone cypionate, 1 mg, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and automated urinalysis test.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 542-0199
- Email not available
Practice Locations
20911 EARL ST STE 140
Torrance, CA 90503
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
- Bladder cancer
- Interstitial cystitis and bladder pain syndrome
- Urethral stricture
Kidney and ureter
- Kidney cancer
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
- Elevated PSA
- Enlarged prostate
- Prostatitis
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
Procedures & services
Most searched procedures
- Circumcision
- Cystoscopy
- Kidney stone removal
- Prostatectomy
- Vasectomy
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
- Prostate Ultrasound
Kidney & ureter procedures
- Ureteral Stent Removal
Kidney and ureter surgery
- Partial kidney removal
- Radical kidney removal
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
- GreenLight Laser Prostate Surgery
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
- Ureteral stent placement
Procedures Most Often Billed to Medicare
20,415 services · 5,819 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
894 | More than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
188 | More than most peers in Urology |
| Insertion of lower leg neurostimulator electrode | Procedure | 64566 |
138 | More often than most peers in Urology |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
65 | More often than most peers in Urology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
500 | More than most peers in Urology |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
125 | More often than most peers in Urology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
92 | More often than most peers in Urology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
49 | More often than most peers in Urology |
| Injection, testosterone cypionate, 1 mg | Drug given | J1071 |
9,950 | Less often than most peers in Urology |
| Bcg live intravesical instillation, 1 mg | Drug given | J9030 |
1,328 | As often as other peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other urologists in Torrance 6
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Texas Medical School at San Antonio 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Garrett S. Matsunaga?
Garrett S. Matsunaga is an urologist in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
What is Garrett S. Matsunaga's address?
Garrett S. Matsunaga is listed at 20911 Earl St Ste 140, Torrance, CA 90503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Garrett S. Matsunaga?
The number on file is (310) 542-0199. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Garrett S. Matsunaga?
Garrett S. Matsunaga's National Provider Identifier is 1740201623. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Garrett S. Matsunaga train?
Garrett S. Matsunaga attended University of Texas Medical School at San Antonio, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Garrett S. Matsunaga have?
Garrett S. Matsunaga has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Garrett S. Matsunaga perform?
According to Medicare billing data, Garrett S. Matsunaga performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and insertion of lower leg neurostimulator electrode; reads or performs imaging such as complete ultrasound scan behind abdominal cavity and complete ultrasound scan of pelvis; provides treatments such as injection of drug or substance under skin or into muscle and administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Garrett S. Matsunaga's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Garrett S. Matsunaga. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.