Individual provider Active NPI

Mei Y Chow-Kwan, MD

  • Internal Medicine Physician
  • Walnut Creek, CA
National Provider Identifier
1689619330
Registry record updated Jun 18, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A50662 Issued in CA
Practice address
2621 Shadelands Drive
Walnut Creek, CA 94598
Phone
(925) 947-0417
NPI assigned
Jun 17, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 18, 2015

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 A50662 CA Primary

Addresses

Primary practice location

2621 Shadelands Drive
Walnut Creek, CA 94598

Mailing address

2621 Shadelands Drive
Walnut Creek, CA 94598
Phone (925) 947-0417

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
I20081220000103 CA Practitioner - Internal Medicine 3072552900 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Asian Health ServicesGroup PAC ID 0244271021, 93 clinicians

Practice addresses (Care Compare)

1001 8TH St
Suite 100
Oakland, CA 94607-4707

101 8TH St
Suite 100
Oakland, CA 94607-4707

817 Harrison St
Oakland, CA 94607-4422
Phone (510) 986-0430

818 Webster St
Oakland, CA 94607-4220
Phone (510) 986-6800

835 Webster St
Oakland, CA 94607-4219
Phone (510) 318-5800

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
50662CAMDPharmacist
A50662CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Asian Health Services CurrentSince Jan 12, 2026 Accepting new patients
Asian Health Services CurrentSince Jan 12, 2026 Accepting new patients
John Muir Health Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

818 Webster St
Oakland, CA 94607
Phone (510) 986-6800

835 Webster St
Oakland, CA 94607
Phone (510) 318-3800

101 8th St
Ste 100
Oakland, CA 94607
Phone (510) 735-3100

Interoperability endpoints

  • Direct secure messaging: mei.chow-kwan.1@14789.direct.athenahealth.com

Organizations & group practices 7

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.

NPI Registry JSON

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

{
    "created_epoch": "1150502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1434585600000",
    "number": "1689619330",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2621 SHADELANDS DRIVE",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "94598",
            "telephone_number": "925-947-0417"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2621 SHADELANDS DRIVE",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "94598",
            "telephone_number": "925-947-0417"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHOW-KWAN",
        "first_name": "MEI",
        "middle_name": "Y",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-17",
        "last_updated": "2015-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A50662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.