CYNTHIA W CHAO D O A PROFESSIONAL CORPORATION
NPI 1073971412
Clinic/Center - Medical Specialty in Los Alamitos, CA
About Cynthia W Chao D O A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA W CHAO D O A PROFESSIONAL CORPORATION (NPI 1073971412) is a healthcare organization registered as a medical specialty in Los Alamitos, California and active in the NPI registry since January 2016. The organization lists Cynthia W. Chao, Physician Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cynthia W Chao D O A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Cynthia W Chao D O A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cynthia W Chao D O A Professional Corporation's NPI number?
The NPI number for Cynthia W Chao D O A Professional Corporation is 1073971412. It was assigned to this organization in the NPPES registry on January 31, 2016.
Where is Cynthia W Chao D O A Professional Corporation located?
Cynthia W Chao D O A Professional Corporation is located at 10861 Cherry St Ste 109, Los Alamitos, CA 90720. The listed phone number is (562) 961-3137.
What is Cynthia W Chao D O A Professional Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.
Is Cynthia W Chao D O A Professional Corporation enrolled in Medicare?
Yes. Cynthia W Chao D O A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cynthia W Chao D O A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Cynthia W Chao D O A Professional Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Cynthia W Chao D O A Professional Corporation was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Cynthia W Chao D O A Professional Corporation · NPI 1073971412
Medical Specialty organization in Los Alamitos, California. Organization record, active in the CMS NPPES registry since January 31, 2016.
## Identity
- **NPI:** 1073971412 (Entity type: Organization)
- **Enumerated:** January 31, 2016
- **Primary specialty:** Clinic/Center - Medical Specialty · taxonomy 261QM2500X
- **Organization subpart:** No
- **Authorized official:** Cynthia Chao, PHYSICIAN OWNER
## Practice location
- **Address:** 10861 CHERRY ST STE 109, Los Alamitos, CA 90720-5400
- **Phone:** (562) 961-3137
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Obstetrics/Gynecology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1073971412) · Data from the CMS NPPES public registry.