Individual provider Active NPI

Kwok On Chan, MD

  • Anesthesiology Physician
  • Los Angeles, CA
National Provider Identifier
1528033545
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
C201897 Issued in CA
Practice address
757 Westwood PLZ Ste 3325
Los Angeles, CA 90095-8358
Phone
(310) 267-8626
Fax
(310) 267-8679
NPI assigned
Feb 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X C201897 CA Primary

Addresses

Primary practice location

757 Westwood PLZ Ste 3325
Los Angeles, CA 90095-8358

Mailing address

5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631
Phone (310) 301-7649

Other identifiers 1

IdentifierTypeStateIssuer
001319012MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, MA, CA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20070321000075 CT Practitioner - AnesthesiologyPractitioner - Pain Management 6002888575 Reassigns benefits to 6 organizations
I20121121000533 MA Practitioner - Anesthesiology 6002888575 Reassigns benefits to 1 organization
I20250827002583 CA Practitioner - Anesthesiology 6002888575 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Toronto, Faculty of Medicine, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the University of CaliforniaGroup PAC ID 8527971316, 237 clinicians
Integrated Anesthesia Associates LLCGroup PAC ID 1759281165, 402 clinicians

Practice addresses (Care Compare)

100 Moody CT
Suite 200
Thousand Oaks, CA 91360-6082
Phone (805) 418-3500

1225 15TH St
Santa Monica, CA 90404-1101
Phone (310) 319-1234

80 Semour St
Hartford, CT 06106-3315
Phone (860) 972-2117

Hospital & facility affiliations

  • Santa Monica - UCLA Med Ctr & Orthopaedic Hospital Hospital, Santa Monica, CA, CCN 050112
  • Hartford Hospital Hospital, Hartford, CT, CCN 070025

Merit-based Incentive Payment System (MIPS)

Final score
91.99 of 100Reported as group
Quality
89.16
Promoting interoperability
100
Improvement activities
40
Cost
78.45

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C201897CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Charter Anesthesiology LLC Anesthesiology CurrentSince Oct 2, 2019 Accepting new patients
Regents of the University of California Anesthesiology CurrentSince Oct 1, 2025 Accepting new patients
Midstate Gastroenterology Specialists PC CurrentSince Jul 1, 2024 Accepting new patients
Connecticut Gi PLLC CurrentSince Jan 1, 2021 Accepting new patients
Anesthesia Associates of Willimantic PC Anesthesiology CurrentSince Apr 12, 2016 Accepting new patients
Regents of the University of California Anesthesiology CurrentSince Oct 1, 2025 Accepting new patients
Integrated Anesthesia Associates LLC Anesthesiology CurrentSince Sep 1, 2022 Accepting new patients
North American Partners in Anesthesia Connecticut PC Anesthesiology CurrentSince Sep 4, 2019 Accepting new patients
The Regents of the University of California Past Accepting new patients
Milford Anesthesia Associates LLC Anesthesiology PastSince Sep 25, 2019 Accepting new patients
Anesthesiology Associates of Eastern Connecticut, P.C Anesthesiology Past Accepting new patients

Locations

5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200

File 4501
Los Angeles, CA 90074

757 Westwood Plz
Ste 3325
Los Angeles, CA 90095
Phone (310) 267-8626

1250 16th St
Santa Monica, CA 90404
Phone (310) 301-8695

1245 16th St
Santa Monica, CA 90404
Phone (310) 794-1841

100 Moody Ct
Ste 200
Thousand Oaks, CA 91360
Phone (805) 418-3500

41 Brewster Rd
Bristol, CT 06010
Phone (800) 585-3000

85 Seymour St
Ste 1000
Hartford, CT 06106
Phone (860) 246-2571

80 Seymour St
Hartford, CT 06106
Phone (860) 545-2249

99 E River Dr
Fl 5
Hartford, CT 06108
Phone (860) 282-4022

71 Haynes St
Manchester, CT 06040
Phone (860) 533-2981

455 Lewis Ave
Ste 105
Meriden, CT 06451
Phone (203) 237-2477

300 Seaside Ave
Milford, CT 06460
Phone (203) 876-4000

100 Grand St
New Britain, CT 06052
Phone (860) 224-5011

326 Washington St
Norwich, CT 06360
Phone (860) 701-0140

37 Kennedy Dr
Ste C
Putnam, CT 06260
Phone (860) 423-7558

30 Waterchase Dr
Rocky Hill, CT 06067
Phone (860) 257-4131

2 Corporate Dr
Ste 955
Shelton, CT 06484
Phone (203) 929-7375

863 N Main Street Ext
Wallingford, CT 06492

1185 Main St
Willimantic, CT 06226
Phone (860) 423-7558

100 Wason Ave
Ste 110
Springfield, MA 01107
Phone (413) 304-2171

Interoperability endpoints

  • Direct secure messaging: kwok.chan@xdr.hhchealthdirect.org

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1140566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1528033545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631",
            "telephone_number": "310-301-7649"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "757 WESTWOOD PLZ STE 3325",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900958358",
            "telephone_number": "310-267-8626",
            "fax_number": "310-267-8679"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "KWOK",
        "middle_name": "ON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-22",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "C201897",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001319012",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.