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.

IndividualActiveAccepts Medicare

Alexa Chai, M.D.

NPI 1437393303 · Urology Physician · Los Alamitos, CA

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)

Practice location

3771 Katella Ave Ste 210

Los Alamitos, CA 90720-3118

Phone: (562) 430-0581

Street-level locationGet directions

More CA providers

Mailing address

16505 La Quinta Way

Whittier, CA 90603-3088

Specialties & taxonomies

Urology PhysicianPrimary208800000XLicense A131086 (CA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(78/100 index)

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 methodology.

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.

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.

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

Drug

Part D claims (2024)

Beneficiaries

Tamsulosin Hcl

646

217

Methenamine Hippurate

406

148

Finasteride

400

137

Estradiol

324

145

Cephalexin

244

Mirabegronbrand: Myrbetriq

220

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)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments