Physician Profile
Alexa Y. Chai, M.D.
Unclaimed ProfileAbout Dr. Chai
Alexa Y. Chai, M.D. is a healthcare provider in Los Alamitos, CA specializing in urology. Alexa trained at Mercer University School of Medicine, graduating in 2009. Medicare claims data shows Alexa provided 5,209 services to 1,620 patients. The services billed most often include injection, onabotulinumtoxina, 1 unit, urinalysis, manual test, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
- (562) 430-0581
- Email not available
Practice Locations
3771 KATELLA AVE STE 210
Los Alamitos, CA 90720
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
5,209 services · 1,620 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
186 | More often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
115 | More often than most peers in Urology |
| Exam with injections of chemical for destruction of bladder using an endoscope | Procedure | 52287 |
23 | As often as other peers in Urology |
| Insertion of temporary bladder tube | Procedure | 51701 |
20 | Less often than most peers in Urology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
148 | More often than most peers in Urology |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
98 | More often than most peers in Urology |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
11 | Less often than most peers in Urology |
| Injection, onabotulinumtoxina, 1 unit | Drug given | J0585 |
2,800 | As often as other peers in Urology |
| Urinalysis, manual test | Lab test | 81002 |
926 | More than most peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
643 | More often than most 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 1
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 — 29 related providers in 4 groups
Other urologists in Los Alamitos 5
Same specialty, same city.
Trained at Mercer University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Mercer 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 CA who bill this service to Medicare most often.
Common questions
What is Alexa Y. Chai's specialty?
Alexa Y. Chai is an urologist in Los Alamitos, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where can I find Alexa Y. Chai?
Alexa Y. Chai is listed at 3771 Katella Ave Ste 210, Los Alamitos, CA 90720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Alexa Y. Chai?
The number on file is (562) 430-0581. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Alexa Y. Chai?
Alexa Y. Chai's National Provider Identifier is 1437393303. 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 Alexa Y. Chai's education?
Alexa Y. Chai attended Mercer University School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Alexa Y. Chai have?
Alexa Y. Chai has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Alexa Y. Chai known for?
According to Medicare billing data, Alexa Y. Chai performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and exam with injections of chemical for destruction of bladder using an endoscope; reads or performs imaging such as complete ultrasound scan behind abdominal cavity and complete ultrasound scan of pelvis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Alexa Y. Chai's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Alexa Y. Chai. 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.