Physician Profile
Louis S. Liou, M.D., PhD
Unclaimed ProfileAbout Dr. Liou
Louis S. Liou, M.D., PhD practices urology in Cambridge, MA. Louis is a 1996 graduate of Boston University School of Medicine. According to Medicare claims data, Louis cared for 953 Medicare patients across 1,065 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, ultrasound measurement of bladder capacity after voiding, and urinalysis, manual test.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (617) 665-3590
- Email not available
Practice Locations
1493 CAMBRIDGE ST
Cambridge, MA 02139
115 Water St Ste 104
Milford, MA 01757
41 Mall Rd
Burlington, MA 01805
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
- Overactive Bladder and Leakage
Kidney health
- Kidney Cyst
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
- Waking Up to Pee
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
1,065 services · 953 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
138 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
58 | As often as other peers in Urology |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
49 | More often than most peers in Urology |
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
49 | More often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
49 | More often than most peers in Urology |
| Complex measurement of pressure of urine flow in bladder with voiding pressure studies | Procedure | 51728 |
49 | More often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
33 | More often than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
31 | More often than most peers in Urology |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
23 | Less often than most peers in Urology |
| Destruction of prostate tissue using radiofrequency induced heated water vapor | Procedure | 53854 |
15 | 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.
Related specialists at this location 3
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.
Other urologists in Cambridge 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Boston University School of Medicine 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 MA who bill this service to Medicare most often.
Common questions
What is Louis S. Liou, M.D.'s specialty?
Louis S. Liou, M.D. is an urologist in Cambridge, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where can I find Louis S. Liou, M.D.?
Louis S. Liou, M.D. is listed at 1493 Cambridge St, Cambridge, MA 02139. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Louis S. Liou, M.D.?
The number on file is (617) 665-3590. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Louis S. Liou, M.D.'s NPI number?
Louis S. Liou, M.D.'s National Provider Identifier is 1346212404. 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
What is Louis S. Liou, M.D.'s education?
Louis S. Liou, M.D. attended Boston University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Louis S. Liou, M.D. been practicing?
Louis S. Liou, M.D. has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Louis S. Liou, M.D. known for?
According to Medicare billing data, Louis S. Liou, M.D. performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and insertion of device into abdomen with pressure and urine flow rate study; reads or performs imaging such as ultrasound scan of pelvic region through rectum, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Louis S. Liou, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Louis S. Liou, M.D.. 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.