Individual provider Active NPI

Allison Chang, MD

  • Psychiatry Physician
  • Palo Alto, CA
National Provider Identifier
1114662574
Registry record updated Apr 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
MDR-8286 Issued in HI
Practice address
401 Quarry Rd RM 2206
Palo Alto, CA 94304-1419
Phone
(650) 725-0957
NPI assigned
Apr 30, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Child & Adolescent Psychiatry Physician 2084P0804X A201276 CA
Psychiatry Physician 2084P0800X MDR-8286 HI Primary

Addresses

Primary practice location

401 Quarry Rd RM 2206
Palo Alto, CA 94304-1419

Mailing address

401 Quarry Rd RM 2206
Palo Alto, CA 94304-1419

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MDR-8286HIMDPsychiatry Physician
A201276CAMDChild & Adolescent Psychiatry Physician

NPI Registry JSON

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

{
    "created_epoch": "1651276800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1114662574",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 QUARRY RD RM 2206",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041419"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 QUARRY RD RM 2206",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041419",
            "telephone_number": "650-725-0957"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ALLISON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-30",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "CA",
            "license": "A201276",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "HI",
            "license": "MDR-8286",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.