Jana Williams, M. D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

G170937 Issued in CA

Practice address

2415 Michigan Ave
Santa Monica, CA 90404-4009

Phone

(855) 446-4374

Fax

(415) 891-0725

NPI assigned

Jan 8, 2007

Last updated

Nov 20, 2025By the provider in NPPES

Sex

Female

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

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Headspace Medical Group (Ca), P.C.

  • Adult Mental Health Clinic/Center
  • Santa Monica, CA
  • NPI 1629872221
  NPD (past)
• Headspace Medical Group (Ca), P.C.

  • Adult Mental Health Clinic/Center
  • San Francisco, CA
  • NPI 1912362252
  NPD (past)

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1811045966",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "516 ROBARDS CIR",
            "city": "OLD HICKORY",
            "state": "TN",
            "postal_code": "371381963",
            "telephone_number": "855-446-4374",
            "fax_number": "415-891-0725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2415 MICHIGAN AVE",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904044009",
            "telephone_number": "855-446-4374",
            "fax_number": "415-891-0725"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JANA",
        "credential": "M. D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "G170937",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alison Williams, DDS
• Byron Williams
• Erin Marie Williams
• Eugina Williams
• Gregory Demitri Williams
• Joyce Williams
• Justin Williams
• Larry Douglas Williams
• Mark Joshua Williams
• Mary Linda Williams

• Psychiatry Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; 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.