Katherine Winstead

Primary specialty

School Social WorkerTaxonomy code 1041S0200X

License

220207609 Issued in CA

Practice address

851 S Johnson Ave
El Cajon, CA 92020-5811

Phone

(619) 401-4150

NPI assigned

Sep 25, 2019

Sex

Female

Sole proprietor

No

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

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

Specialty

Clinical Social Worker

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

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 and National Provider Directory roles.

• Grow Healthcare Group PC

  • Mental Health Counselor
  • San Jose, CA
  • NPI 1154994846
  Medicare reassignment
• Eje Elementary Academy

  • Local Education Agency (LEA)
  • El Cajon, CA
  • NPI 1437012234
  NPD (past)

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

{
    "created_epoch": "1569369600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1679124267",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "851 S JOHNSON AVE",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920205811",
            "telephone_number": "619-401-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "851 S JOHNSON AVE",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920205811",
            "telephone_number": "619-401-4150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WINSTEAD",
        "first_name": "KATHERINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-25",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": "220207609",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Whitney Wilson
• Terry L Winegar, M.D.
• Amanda Wing
• Kara Winship
• John Frederick Winslow, D.C.
• Christina Lynn Winter, D.D.S.
• Katharine G Winter, MSCN
• Alesia Wise, RDHAP
• Eric Richard Wise, D.C.
• Zachary Wittusen

• School Social Worker in El Cajon, CA
• Providers in El Cajon, CA by specialty
• School Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.