Alexander Chen, M.D.

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

A78692 Issued in CA

Practice address

3801 3Rd St
Ste 400
San Francisco, CA 94124-1409

Phone

(415) 337-4784

NPI assigned

Dec 19, 2006

Last updated

May 22, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• County of Humboldt

  • State or Local Public Health Clinic/Center
  • Eureka, CA
  • NPI 1871676213
  Medicare reassignment NPD
• County of Humboldt

  dba Humboldt County Behavioral Health

  • Community/Behavioral Health Agency
  • Eureka, CA
  • NPI 1033300306
  NPD
• County of Humboldt

  • Clinical Medical Laboratory
  • Eureka, CA
  • NPI 1689751687
  NPD
• Turning Point of Central California, Inc.

  dba Quest House

  • Substance Abuse Rehabilitation Facility
  • Fresno, CA
  • NPI 1073804498
  NPD (past)
• Turning Point of Central California, Inc.

  dba Turning Point AB-109 FSP

  • Community/Behavioral Health Agency
  • Fresno, CA
  • NPI 1689933913
  NPD (past)
• Kenvelo2

  • Psychiatric/Mental Health Nurse Practitioner
  • Miami, FL
  • NPI 1184353310
  NPD (past)

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

{
    "created_epoch": "1166486400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1861556623",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3801 3RD ST",
            "address_2": "SUITE 400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941241409",
            "telephone_number": "415-337-4784"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3801 3RD ST",
            "address_2": "STE 400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941241409",
            "telephone_number": "415-337-4784"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3636 N 1st St",
            "address_2": "Suite 135, 154, 162",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937266818",
            "country_code": "US",
            "telephone_number": "559-476-2166",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "386 Coalinga Plz",
            "address_purpose": "LOCATION",
            "city": "Coalinga",
            "state": "CA",
            "postal_code": "932101704",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "380 Coalinga Plz",
            "address_purpose": "LOCATION",
            "city": "Coalinga",
            "state": "CA",
            "postal_code": "932101704",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "275 S Madera Ave Ste 404",
            "address_purpose": "LOCATION",
            "city": "Kerman",
            "state": "CA",
            "postal_code": "936301401",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1311 11th St",
            "address_purpose": "LOCATION",
            "city": "Reedley",
            "state": "CA",
            "postal_code": "936542926",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3855 N West Ave,",
            "address_2": "105, 108, 110",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937052759",
            "country_code": "US",
            "telephone_number": "559-334-6433",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1690 W Shaw Ave Ste 201",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937113519",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "225 Academy Ave",
            "address_purpose": "LOCATION",
            "city": "Sanger",
            "state": "CA",
            "postal_code": "936572128",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 McCall Ave Ste 104",
            "address_purpose": "LOCATION",
            "city": "Selma",
            "state": "CA",
            "postal_code": "936622560",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3636 N 1st St Ste 124",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937266818",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3467 W Shaw Ave Ste 101",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937113223",
            "country_code": "US",
            "telephone_number": "559-271-3096",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2731 W Olive Ave",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937282449",
            "country_code": "US",
            "telephone_number": "559-233-5096",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3636 N 1st St",
            "address_2": "Suite 112, 124",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937266818",
            "country_code": "US",
            "telephone_number": "855-343-1057",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "ALEXANDER",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-19",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "CA",
            "license": "A78692",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Xiomara Chen-Marquez
• Aaron Chen, D.O.
• Ai Yun Chen
• Albert K Chen, PHARM.D.
• Alex Francis Chen
• Alexis Chen, MS OTR/L
• Alice Huan-Mei Chen, MD MPH
• Amber Yaoyao Chen, MD, MBA
• Andrew Chen
• Anna Chen

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.