DR. KWOK ON CHAN MD
NPI 1528033545
Anesthesiology in Los Angeles, CA
About Dr. Kwok On Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KWOK ON CHAN MD (NPI 1528033545) is an individual anesthesiology provider in Los Angeles, California, licensed in California (C201897) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Toronto, Faculty Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Kwok On Chan 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
8Medicare enrollment records show Kwok Chan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 295 clinicians in this Medicare group
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 727 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 21 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 225 clinicians in this Medicare group
West Hartford, CT 06105
- Reassigned Medicare billing, Connecticut and Massachusetts enrollments
- 86 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 417 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 91 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 7
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Kwok Chan's NPI number?
The NPI number for Kwok Chan is 1528033545. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Kwok Chan located?
Kwok Chan practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. The listed phone number is (310) 267-8626.
What is Kwok Chan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kwok Chan enrolled in Medicare?
Yes. Kwok Chan 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 Kwok Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kwok Chan reassigns Medicare benefits to 8 organizations: Regents Of The University Of California (Los Angeles, CA), Southern California Permanente Medical Group (Los Angeles, CA), Integrated Anesthesia Associates LLC (Shelton, CT), Midstate Gastroenterology Specialists PC (Meriden, CT), North American Partners In Anesthesia Connecticut PC (New Britain, CT) and 3 more organizations, listed in the Medicare section above. 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 Kwok Chan'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 Kwok Chan was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Kwok On Chan, MD · NPI 1528033545
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1528033545 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** C201897 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ STE 3325, Los Angeles, CA 90095-8358
- **Phone:** (310) 267-8626 · **Fax:** (310) 267-8679
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1326096165, Los Angeles, CA); Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA); Integrated Anesthesia Associates LLC (NPI 1881636397, Shelton, CT); Midstate Gastroenterology Specialists PC (NPI 1487677951, Meriden, CT); North American Partners In Anesthesia Connecticut PC (NPI 1316994775, New Britain, CT); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Toronto, Faculty Of Medicine, class of 1978
## Record status
- **NPPES last updated:** October 22, 2025
- **Other identifiers:** Medicaid 001319012 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1528033545) · Data from the CMS NPPES public registry.