Joni Elizabeth Mahon, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

76126 Issued in CA

Practice address

1911 Williams Dr Ste 210
Oxnard, CA 93036-2612

Phone

(805) 981-3330

NPI assigned

Sep 4, 2009

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

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: No
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• County of Ventura

  • Community/Behavioral Health Agency
  • Fillmore, CA
  • NPI 1356560718
  NPD
• County of Ventura

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD
• County of Ventura

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  NPD

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

{
    "created_epoch": "1252022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1801129069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1911 WILLIAMS DR STE 210",
            "city": "OXNARD",
            "state": "CA",
            "postal_code": "930362612"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1911 WILLIAMS DR STE 210",
            "city": "OXNARD",
            "state": "CA",
            "postal_code": "930362612",
            "telephone_number": "805-981-3330"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHON",
        "first_name": "JONI",
        "middle_name": "ELIZABETH",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-09-04",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "76126",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Evelyn Magdaleno, NP
• Tanya Deborah Maggiore, MFT
• Ioannis Em Magnis, DDS
• James Arthur Magnusson, PT
• Halla Teresa Maher, MSW
• Lisa Ha Maier, O.D.
• Amy Allison Maiman, LCSW
• Erica Maire, DMD
• Srimati Sen Maiti
• Majesticare Health and Rehab Center of Oxnard

• Clinical Social Worker in Oxnard, CA
• Providers in Oxnard, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 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.