Cornerstone Therapy Group a Marriage and Family Therapy Corpor

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

Legal business name

CORNERSTONE THERAPY GROUP A MARRIAGE AND FAMILY THERAPY CORPOR

Practice address

15233 Ventura Blvd Ste 316
Sherman Oaks, CA 91403-2214

Phone

(310) 508-6727

NPI assigned

Feb 3, 2026

Last updated

Oct 14, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Alan EllsweigNPI 1124407002

Title

President / Ceo

Phone

(310) 508-6727

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Alan Ellsweig, LMFT

  • Marriage & Family Therapist
  • Sherman Oaks, CA
  • NPI 1124407002
  Medicare reassignment NPD Authorized official
• Katy Golbar, MFT

  • Marriage & Family Therapist
  • Thousand Oaks, CA
  • NPI 1689881005
  Medicare reassignment

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

{
    "created_epoch": "1770076800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791936000000",
    "number": "1548110059",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15233 VENTURA BLVD STE 316",
            "city": "SHERMAN OAKS",
            "state": "CA",
            "postal_code": "914032214",
            "telephone_number": "310-508-6727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15233 VENTURA BLVD STE 316",
            "city": "SHERMAN OAKS",
            "state": "CA",
            "postal_code": "914032214",
            "telephone_number": "310-508-6727"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2211 Post St Ste 300",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941153442",
            "country_code": "US",
            "telephone_number": "310-508-6727",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "CORNERSTONE THERAPY GROUP A MARRIAGE AND FAMILY THERAPY CORPOR",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-03",
        "last_updated": "2026-10-14",
        "certification_date": "2026-10-12",
        "status": "A",
        "authorized_official_last_name": "ELLSWEIG",
        "authorized_official_first_name": "ALAN",
        "authorized_official_title_or_position": "PRESIDENT / CEO",
        "authorized_official_telephone_number": "310-508-6727"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Dayanna Corbin
• Susana Jazmin Cornejo Melara
• Jessica Araceli Cornejo Reyes
• Cornerstone Medical Services Inc
• Erika Corona
• Kimberly Sarahy Corona
• Rodolfo Correa
• Talita Correa
• Devlyn L. Corrigan, D.O.

• Marriage & Family Therapist in Sherman Oaks, CA
• Providers in Sherman Oaks, CA by specialty
• Marriage & Family Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.