Individual provider Active NPI

Mai-Sie F Chan, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1326136557
Registry record updated Feb 14, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A83362 Issued in CA
Practice address
929 Clay St
Suite 303
San Francisco, CA 94108-1556
Phone
(415) 956-6633
Fax
(415) 956-6638
NPI assigned
Oct 11, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 14, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A83362 CA Primary

Addresses

Primary practice location

929 Clay St
Suite 303
San Francisco, CA 94108-1556

Mailing address

929 Clay St
Suite 303
San Francisco, CA 94108-1556
Phone (415) 956-6633

Other identifiers 1

IdentifierTypeStateIssuer
00A833620MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20040715001308 CA Practitioner - Internal Medicine 4183603848 Reassigns benefits to 1 organization
Receives reassigned benefits from 1 practitioner
Practice locations: San Francisco, CA

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Stanford University School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

929 Clay St
Suite 303
San Francisco, CA 94108-1570
Phone (415) 956-6633

Hospital & facility affiliations

  • Self-Help Homecare & Hospice Home health agency, San Francisco, CA, CCN 057570
  • Chinese Hospital Hospital, San Francisco, CA, CCN 050407
  • California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
  • UCSF Health Saint Francis Hospital Hospital, San Francisco, CA, CCN 050152

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
83362CAMDPharmacist
A83362CAMDInternal Medicine Physician

Practice roles (2 of 3)

OrganizationSpecialtyStatusNew patients
Mai-Sie Chan, M.D., Inc CurrentSince Jun 1, 2023 Accepting new patients
UCSF Health Community Hospitals Past Accepting new patients

Locations

929 Clay St
Ste 303
San Francisco, CA 94108
Phone (415) 865-6633

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: maisie.chan@5319578091524.direct.elationemr.com
  • Direct secure messaging: maisie.chan@2938549174276.direct.elationemr.com

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

Organizations & group practices 2

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 4

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": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1676332800000",
    "number": "1326136557",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "929 CLAY ST",
            "address_2": "SUITE 303",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941081556",
            "telephone_number": "415-956-6633",
            "fax_number": "415-956-6638"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "929 CLAY ST",
            "address_2": "SUITE 303",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941081556",
            "telephone_number": "415-956-6633",
            "fax_number": "415-956-6638"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "MAI-SIE",
        "middle_name": "F",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-11",
        "last_updated": "2023-02-14",
        "certification_date": "2023-02-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A83362",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A833620",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.