CYNTHIA W CHAO DO A PROFESSIONAL CO
NPI 1720077274
Obstetrics & Gynecology in Los Alamitos, CA
About Cynthia W Chao Do A Professional Co NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA W CHAO DO A PROFESSIONAL CO (NPI 1720077274) is an individual obstetrics & gynecology provider in Los Alamitos, California, licensed in California (20A7343) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Western University Of Health Sciences College Of Dental Med (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cynthia W Chao Do A Professional Co is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Cynthia Chao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
Los Angeles, CA 90036
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
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 Chao's NPI number?
The NPI number for Cynthia Chao is 1720077274. It was assigned to this individual provider in the NPPES registry on October 18, 2005.
Where is Cynthia Chao located?
Cynthia Chao practices at 10861 Cherry St Ste 109, Los Alamitos, CA 90720. The listed phone number is (562) 931-3137.
What is Cynthia Chao's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Cynthia Chao enrolled in Medicare?
Yes. Cynthia Chao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cynthia Chao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Chao reassigns Medicare benefits to 2 organizations: Cynthia W Chao D O A Professional Corporation (Los Alamitos, CA) and Shahbaz Farnad MD Professional Corporation (Los Angeles, CA). Each 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 Cynthia Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cynthia Chao was last updated on April 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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, DO A PROFESSIONAL CO · NPI 1720077274
Obstetrics & Gynecology physician in Los Alamitos, California. Individual provider, active in the CMS NPPES registry since October 18, 2005.
## Identity
- **NPI:** 1720077274 (Entity type: Individual)
- **Enumerated:** October 18, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 20A7343 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10861 CHERRY ST STE 109, Los Alamitos, CA 90720-5400
- **Phone:** (562) 931-3137
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cynthia W Chao D O A Professional Corporation (NPI 1073971412, Los Alamitos, CA); Shahbaz Farnad MD Professional Corporation (NPI 1871078972, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Western University Of Health Sciences College Of Dental Med, class of 1997
## Record status
- **NPPES last updated:** April 20, 2024
- **Other identifiers:** Medicaid 00AX73430 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1720077274) · Data from the CMS NPPES public registry.