Nicole L Rennix, LMFT

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

License

114057 Issued in CA

Practice address

254 Miller Ave
Mill Valley, CA 94941-2829

Phone

(707) 656-3736

NPI assigned

Jun 10, 2014

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 names 1

• Nicole L Seiffert Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1402358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1558774265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "203 FLAMINGO RD # 510",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949413603",
            "telephone_number": "707-227-2964"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "254 MILLER AVE",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412829",
            "telephone_number": "707-656-3736"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RENNIX",
        "first_name": "NICOLE",
        "middle_name": "L",
        "credential": "LMFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-06-10",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "114057",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NICOLE",
            "last_name": "SEIFFERT",
            "middle_name": "L",
            "credential": "AMFT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Marriage & Family Therapist in Mill Valley, CA
• Providers in Mill Valley, 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 Aug 26, 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.