Alexa Chai, M.D.
NPI 1437393303 · Urology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexa Chai, M.D. is a Urology Physician provider in Los Alamitos, CA (NPI 1437393303).
Provider details
- NPI number
- 1437393303
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A131086 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,409 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Urinalysis, Manual Test81002 | 926 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 643 | $147 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 186 | $14 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 148 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $104 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 646 | 217 |
| Methenamine Hippurate | 406 | 148 |
| Finasteride | 400 | 137 |
| Estradiol | 324 | 145 |
| Cephalexin | 244 | 89 |
| Mirabegronbrand: Myrbetriq | 220 | 68 |
| Cefdinir | 185 | 144 |
| Solifenacin Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$519 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-23
- Last updated
- 2014-08-12
Frequently asked questions
- What is Alexa Chai's NPI number?
- Alexa Chai's National Provider Identifier (NPI) is 1437393303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexa Chai's specialty?
- Alexa Chai is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexa Chai located?
- Alexa Chai's practice location on file with NPPES is 3771 Katella Ave Ste 210, Los Alamitos, CA 90720-3118.
- What is Alexa Chai's phone number?
- The practice phone number listed in the NPPES registry for Alexa Chai is (562) 430-0581.
- Does Alexa Chai accept Medicare?
- Alexa Chai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexa Chai's NPI active?
- Yes — Alexa Chai's NPI (1437393303) is active in the NPPES registry as of the last update on 2014-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.