Amber Williams, PHD

Primary specialty

Clinical Child & Adolescent PsychologistTaxonomy code 103TC2200X

License

PSY33437 Issued in CA

Practice address

747 52ND St
Oakland, CA 94609-1809

Phone

(510) 428-3885

Fax

(510) 579-7199

NPI assigned

Jun 26, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Amber Holdren Former name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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 and National Provider Directory roles.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  NPD
• UCSF Psychiatry

  • Psychiatry Physician
  • San Francisco, CA
  • NPI 1427105279
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  NPD

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

{
    "created_epoch": "1529971200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1801381447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "710 S BROADWAY",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965294",
            "telephone_number": "925-295-4145"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "747 52ND ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946091809",
            "telephone_number": "510-428-3885",
            "fax_number": "510-579-7199"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "AMBER",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-26",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "CA",
            "license": "PSY33437",
            "primary": true
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "PSY33437",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AMBER",
            "last_name": "HOLDREN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• William Ma, Marriage and Family Therapist, Inc
• William R Crain MD Inc
• Leijia William- Lawson
• Adetola Oyindamola Williams, RN
• Alvin Wynn Williams
• Andrea Elizabeth Williams, MD
• Anise Williams
• Anne Lucy Williams, M.D.
• Antanique Nicole Williams
• Azah Williams

• Clinical Child & Adolescent Psychologist in Oakland, CA
• Providers in Oakland, CA by specialty
• Clinical Child & Adolescent Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.