Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NADIA M LESSANS AMFT
NPI 1053169821
Marriage & Family Therapist in Mill Valley, CA

Q: What is Nadia Lessans's NPI number?

The NPI number for Nadia Lessans is 1053169821. It was assigned to this individual provider in the NPPES registry on May 8, 2024. The provider is also known as Nadia Last Lmft.

Q: What is Nadia Lessans'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 Nadia Lessans was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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 May 08, 2024

81 THROCKMORTON AVE STE 201, MILL VALLEY, CA 94941(415) 532-1601 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 13, 2026, May 8, 2024 (2 updates tracked since 2024).

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About Nadia M Lessans Amft NPPES

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

NADIA M LESSANS AMFT (NPI 1053169821) is an individual marriage & family therapist in Mill Valley, California and active in the NPI registry since May 2024.

NPPES Registry Identity

NPI1053169821

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameNADIA M LESSANSCredential: AMFT

Location Address81 THROCKMORTON AVE STE 201Mill Valley, CA 94941-1930

Mailing Address81 Throckmorton Ave Ste 201Mill Valley, CA 94941-1930 · (415) 532-1602

Phone(415) 532-1601

Sole ProprietorNo

Enumeration DateMay 8, 2024

Last NPPES UpdateAugust 13, 20262 updates tracked since enumeration

NPPES CertifiedAugust 13, 2026

✔ NPI 1053169821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

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.

81 THROCKMORTON AVE STE 201, Mill Valley, CA 94941

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Other Names 1

Professional Name (2)Nadia Last Lmft

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 Nadia Lessans's NPI number?

The NPI number for Nadia Lessans is 1053169821. It was assigned to this individual provider in the NPPES registry on May 8, 2024. The provider is also known as Nadia Last Lmft.

Where is Nadia Lessans located?

Nadia Lessans practices at 81 Throckmorton Ave Ste 201, Mill Valley, CA 94941. The listed phone number is (415) 532-1601.

What is Nadia Lessans'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 Nadia Lessans was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.