MS. KIMBERLY CHAU
NPI 1851754659
Internal Medicine in San Diego, CA
About Ms. Kimberly Chau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KIMBERLY CHAU (NPI 1851754659) is an individual internal medicine provider in San Diego, California, licensed in California (A150644) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of Drexel University College Of Medicine (2016).
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
Ms. Kimberly Chau 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 Kimberly Chau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 1,051 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Kimberly Chau's NPI number?
The NPI number for Kimberly Chau is 1851754659. It was assigned to this individual provider in the NPPES registry on March 30, 2016.
Where is Kimberly Chau located?
Kimberly Chau practices at 200 W Arbor Dr # 8425, San Diego, CA 92103. The listed phone number is (619) 543-6268.
What is Kimberly Chau's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Kimberly Chau enrolled in Medicare?
Yes. Kimberly 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 Kimberly Chau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Chau reassigns Medicare benefits to 2 organizations: Regents Of The University Of California - Ucsd Medical Group (San Diego, CA) and Southern California Permanente Medical Group (San Diego, 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 Kimberly 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 Kimberly Chau was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Kimberly Chau · NPI 1851754659
Internal Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 30, 2016.
## Identity
- **NPI:** 1851754659 (Entity type: Individual)
- **Enumerated:** March 30, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A150644 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, # 8425, San Diego, CA 92103-9000
- **Phone:** (619) 543-6268
## 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): Regents Of The University Of California - Ucsd Medical Group (NPI 1336267137, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2016
## Record status
- **NPPES last updated:** December 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1851754659) · Data from the CMS NPPES public registry.