GRACE M CHAU NP
NPI 1225670565
Nurse Practitioner - Family in Laguna Hills, CA
About Grace M Chau Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE M CHAU NP (NPI 1225670565) is an individual family provider in Laguna Hills, California, licensed in California (95013676) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mission Viejo, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Grace M Chau Np 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
3Medicare enrollment records show Grace Chau reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 1,699 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAGUNA HILLS, CA 92653
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 Grace Chau's NPI number?
The NPI number for Grace Chau is 1225670565. It was assigned to this individual provider in the NPPES registry on October 8, 2019.
Where is Grace Chau located?
Grace Chau practices at 23521 Paseo De Valencia Ste 311, Laguna Hills, CA 92653. The listed phone number is (949) 305-2660.
What is Grace Chau's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Grace Chau enrolled in Medicare?
Yes. Grace Chau 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 Grace Chau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Chau reassigns Medicare benefits to 3 organizations: Advanced Geriatric Care And Family Practice Associates (Laguna Hills, CA), Jeremy La Motte MD (Laguna Hills, CA) and Providence Medical Foundation (Mission Viejo, 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 Grace Chau'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 Grace Chau was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Grace M Chau, NP · NPI 1225670565
Family physician in Laguna Hills, California. Individual provider, active in the CMS NPPES registry since October 8, 2019.
## Identity
- **NPI:** 1225670565 (Entity type: Individual)
- **Enumerated:** October 8, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95013676 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23521 PASEO DE VALENCIA STE 311, Laguna Hills, CA 92653-3144
- **Phone:** (949) 305-2660
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Advanced Geriatric Care And Family Practice Associates (NPI 1346286721, Laguna Hills, CA); Jeremy La Motte MD (NPI 1659820298, Laguna Hills, CA); Providence Medical Foundation (NPI 1427305960, Mission Viejo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 31, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1225670565) · Data from the CMS NPPES public registry.