Individual provider Active NPI

Joy Li, MD

  • Emergency Medicine Physician
  • Walnut Creek, CA
National Provider Identifier
1609512060
Registry record updated Aug 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A207306 Issued in CA
Practice address
1425 S Main St
Walnut Creek, CA 94596-5318
Phone
(925) 295-4070
NPI assigned
May 9, 2022
Last updated
Aug 23, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A207306 CA Primary

Addresses

Primary practice location

1425 S Main St
Walnut Creek, CA 94596-5318

Mailing address

1425 S Main St
Walnut Creek, CA 94596-5318

Other practice location 1

4501 Sand Creek Rd
Antioch, CA 94531-8687
Phone (925) 813-3100

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1652054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787443200000",
    "number": "1609512060",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1425 S MAIN ST",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965318"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 S MAIN ST",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965318",
            "telephone_number": "925-295-4070"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4501 Sand Creek Rd",
            "address_purpose": "LOCATION",
            "city": "Antioch",
            "state": "CA",
            "postal_code": "945318687",
            "country_code": "US",
            "telephone_number": "925-813-3100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LI",
        "first_name": "JOY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-05-09",
        "last_updated": "2026-08-23",
        "certification_date": "2026-08-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A207306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality.",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "1425 S Main St",
            "city": "Walnut Creek",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945965318",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.