Ruth Ann Chincanchan

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

PTL21118 Issued in CA

Practice address

675 18TH St
San Francisco, CA 94143-4200

Phone

(415) 476-7000

NPI assigned

Jun 12, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1749686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1609762145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 SAINT FRANCIS PL APT 5403",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941071339",
            "telephone_number": "210-685-2046"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 18TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941434200",
            "telephone_number": "415-476-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHINCANCHAN",
        "first_name": "RUTH",
        "middle_name": "ANN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-12",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "PTL21118",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Valerie M Chin, D.D.S.
• Weiwen Chin
• Winnie W Chin, L.AC.
• Chinatown Physical Therapy & Rehabilitation
• Chinatown Public Health Center
• Jennifer Alejandra Chinchilla Perez, MD
• Melanie Chinchilla, PHD
• Felix Manuel Chinea, M.D.
• Allan Bruce Chinen, M.D.
• Chinese Community Health Care Association

• Psychiatry Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2026; 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.