CAROLINE DARSONO LAY LAU
NPI 1164180915
Marriage & Family Therapist in West Covina, CA
About Caroline Darsono Lay Lau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLINE DARSONO LAY LAU (NPI 1164180915) is an individual marriage & family therapist in West Covina, California, licensed in California (143850) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Caroline Darsono Lay Lau 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 Caroline Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
Doylestown, PA 18901
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Meru Health Medical PA
- 28 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.
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 Caroline Lau's NPI number?
The NPI number for Caroline Lau is 1164180915. It was assigned to this individual provider in the NPPES registry on November 29, 2021.
Where is Caroline Lau located?
Caroline Lau practices at 1652 W Cameron Ave, West Covina, CA 91790. The listed phone number is (626) 438-7738.
What is Caroline Lau's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Caroline Lau enrolled in Medicare?
Yes. Caroline Lau 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 Caroline Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Lau reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Chino Hills, CA) and Meru Health Medical, P.A. (Doylestown, PA). 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 Caroline Lau'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 Caroline Lau was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Caroline Darsono Lay Lau · NPI 1164180915
Marriage & Family Therapist provider in West Covina, California. Individual provider, active in the CMS NPPES registry since November 29, 2021.
## Identity
- **NPI:** 1164180915 (Entity type: Individual)
- **Enumerated:** November 29, 2021
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 143850 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1652 W CAMERON AVE, West Covina, CA 91790-2714
- **Phone:** (626) 438-7738
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA); Meru Health Medical, P.A. (NPI 1326716432, Doylestown, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164180915) · Data from the CMS NPPES public registry.