Leanne Jeannette Twigg

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

1211 W Vista Way BLDG C
Vista, CA 92083-6227

Phone

(760) 721-2781

Fax

(760) 721-8591

NPI assigned

Nov 18, 2025

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

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• McAlister Institute for Treatment & Education, Inc.

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Vista, CA
  • NPI 1013138569

  Addiction (Substance Use Disorder)

  NPD (past)

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

{
    "created_epoch": "1763424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1831050137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 N JOHNSON AVE STE 101",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920201651",
            "telephone_number": "760-721-2781",
            "fax_number": "760-721-8591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1211 W VISTA WAY BLDG C",
            "city": "VISTA",
            "state": "CA",
            "postal_code": "920836227",
            "telephone_number": "760-721-2781",
            "fax_number": "760-721-8591"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TWIGG",
        "first_name": "LEANNE",
        "middle_name": "JEANNETTE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-11-18",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Evelyn Tunco, ADMINISTRATOR, CNA
• Melek Turgut
• Nathan Frederick Turley, DDS
• Robert M. Turner, DC
• Tushka Ohoyo Aadams-Davies
• Amy Tyus, LMFT
• Ahmet Ucmakli
• Heather Ugalde, RN
• Union of Pan Asian Communities
• Universal Medical Rentals and Equipment Sales II, Inc.

• Addiction (Substance Use Disorder) Counselor in Vista, CA
• Providers in Vista, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 2025; 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.