Alexandra Haley Lyon, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

33043 Issued in CA

Practice address

8334 Clairemont Mesa Blvd Ste 101
San Diego, CA 92111-1319

Phone

(619) 992-5818

NPI assigned

Dec 9, 2021

Last updated

Mar 19, 2026By 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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Dec 9, 2021 through Dec 9, 2027

Medicare enrollment (NPD)

Not enrolled

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.

• West Coast Ocd and Anxiety Psychology Center, Inc.

  • Psychologist
  • San Diego, CA
  • NPI 1902754393
  NPD Authorized official

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

{
    "created_epoch": "1639008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773878400000",
    "number": "1649939380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8334 CLAIREMONT MESA BLVD STE 101",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921111319",
            "telephone_number": "619-992-5818"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8334 CLAIREMONT MESA BLVD STE 101",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921111319",
            "telephone_number": "619-992-5818"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYON",
        "first_name": "ALEXANDRA",
        "middle_name": "HALEY",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-12-09",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "33043",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CA BOARD OF PSYCHOLOGY LICENSE NUMBER",
            "identifier": "33043",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jeffery Lynn, MED, BCBA
• Maria Lynn
• Lynna P Choy MD Inc
• Guy Lynott
• Lynx Transportation, LLC
• Anne Marie Lyon, MD
• Howard S Lyon, MD
• James W Lyon, MD
• Jonathan Lyon
• Ronit Yael Lyon, MD

• Psychologist in San Diego, CA
• Providers in San Diego, CA by specialty
• Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.