NICOLE L RENNIX LMFT
NPI 1558774265
Marriage & Family Therapist in Mill Valley, CA

Q: What is Nicole Rennix's NPI number?

The NPI number for Nicole Rennix is 1558774265. It was assigned to this individual provider in the NPPES registry on June 10, 2014. The provider is also known as Nicole L Seiffert Amft.

Q: What is Nicole Rennix's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Nicole Rennix was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 10, 2014

254 MILLER AVE, MILL VALLEY, CA 94941(707) 656-3736 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Sep 29, 2020, Jan 21, 2020, Jun 29, 2017 (3 updates tracked since 2017).

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About Nicole L Rennix Lmft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICOLE L RENNIX LMFT (NPI 1558774265) is an individual marriage & family therapist in Mill Valley, California, licensed in California (114057) and active in the NPI registry since June 2014.

NPPES Registry Identity

NPI1558774265

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameNICOLE L RENNIXCredential: LMFT

Location Address254 MILLER AVEMill Valley, CA 94941-2829

Mailing Address203 Flamingo Rd # 510Mill Valley, CA 94941-3603 · (707) 227-2964

Phone(707) 656-3736

Sole ProprietorYes

Enumeration DateJune 10, 2014

Last NPPES UpdateAugust 26, 20253 updates tracked since enumeration

NPPES CertifiedAugust 26, 2025

✔ NPI 1558774265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 114057

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

254 MILLER AVE, Mill Valley, CA 94941

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Other Names 1

Former Name (1)Nicole L Seiffert Amft

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicole Rennix's NPI number?

The NPI number for Nicole Rennix is 1558774265. It was assigned to this individual provider in the NPPES registry on June 10, 2014. The provider is also known as Nicole L Seiffert Amft.

Where is Nicole Rennix located?

Nicole Rennix practices at 254 Miller Ave, Mill Valley, CA 94941. The listed phone number is (707) 656-3736.

What is Nicole Rennix's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Nicole Rennix was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.