Individual provider Active NPI

Alexandra Chang

  • Pain Medicine (Anesthesiology) Physician
  • San Francisco, CA
National Provider Identifier
1770970949
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X
License
144578 Issued in CA
Practice address
4150 Clement St
San Francisco, CA 94121-1563
Phone
(415) 221-4810
NPI assigned
Apr 24, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pain Medicine (Anesthesiology) Physician 207LP2900X 144578 CA Primary

Addresses

Primary practice location

4150 Clement St
San Francisco, CA 94121-1563

Mailing address

4150 Clement Street
BLDG 6 RM 201, Mailcode 129
San Francisco, CA 94121
Phone (415) 221-4810

Other practice location 1

3126 Cabrillo St
San Francisco, CA 94121-3508
Phone (949) 246-9383

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: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1429833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1770970949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4150 CLEMENT STREET",
            "address_2": "BLDG 6 RM 201, MAILCODE 129",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94121",
            "telephone_number": "415-221-4810"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 CLEMENT ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941211563",
            "telephone_number": "415-221-4810"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3126 Cabrillo St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941213508",
            "country_code": "US",
            "telephone_number": "949-246-9383",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ALEXANDRA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-24",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "CA",
            "license": "144578",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.