GARY CHINGHUEI KAO MD
NPI 1619166931
Anesthesiology in Garden Grove, CA
About Gary Chinghuei Kao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY CHINGHUEI KAO MD (NPI 1619166931) is an individual anesthesiology provider in Garden Grove, California, licensed in California (A53740) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Gary Chinghuei Kao Md 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
5Medicare enrollment records show Gary Kao reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Ana, CA 92705
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
Lynwood, CA 90262
- Reassigned Medicare billing, California enrollment
- 83 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 6 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GARDEN GROVE, CA 92843
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 Gary Kao's NPI number?
The NPI number for Gary Kao is 1619166931. It was assigned to this individual provider in the NPPES registry on October 23, 2007.
Where is Gary Kao located?
Gary Kao practices at 12601 Garden Grove Blvd, Garden Grove, CA 92843. The listed phone number is (714) 636-0342.
What is Gary Kao's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gary Kao enrolled in Medicare?
Yes. Gary Kao 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 Gary Kao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Kao reassigns Medicare benefits to 5 organizations: Anesthesia Associates Of Southern California PC (Santa Ana, CA), Orange Coast Anesthesia Inc (Orange, CA), Anesthesia Specialists Of Orange County, Inc. (Anaheim, CA), Landmark Anesthesia Medical Group (Lynwood, CA) and Wang Jennifer Zheng M D Inc (Hemet, 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 Gary Kao'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 Gary Kao was last updated on April 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.