1. Home
  2. Directory
  3. California
  4. Corte Madera
  5. Marriage Family Therapist
  6. NPI Profile

MS. NANDINE HATVANY MFT
NPI 1770628646
Marriage & Family Therapist in Corte Madera, CA

Active since February 20, 2007Opted out of Medicare · through Jul 16, 2028
150 NELLEN AVE, CORTE MADERA, CA 94925(415) 381-1065 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Ms. Nandine Hatvany Mft NPPES

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

MS. NANDINE HATVANY MFT (NPI 1770628646) is an individual marriage & family therapist in Corte Madera, California, licensed in California (MFC38780) and active in the NPI registry since February 2007. She has opted out of Medicare through July 16, 2028.

NPPES Registry Identity

NPI1770628646
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. NANDINE HATVANYCredential: MFT
Location Address150 NELLEN AVECorte Madera, CA 94925-1104
Mailing AddressPo Box 2366Mill Valley, CA 94942-2366 · (415) 381-1065
Phone(415) 381-1065
Sole ProprietorYes
Enumeration DateFebruary 20, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1770628646 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 · MFC38780
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.
150 NELLEN AVE, Corte Madera, CA 94925
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Nandine Hatvany Mft has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 16, 2024 through July 16, 2028.

Opt-Out Effective DateJuly 16, 2024
Opt-Out In Effect ThroughJuly 16, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JONATHAN KLEV KABAT LMFT
Marriage & Family Therapist
150 NELLEN AVE, SUITE 100
CORTE MADERA, CA 94925
Marin County (415) 567-4604
MRS. SABINE A HAAKE M.A.R.D.
Dietitian, Registered
150 NELLEN AVE, SUITE 110
CORTE MADERA, CA 94925
Marin County (415) 924-4457
MS. JACQUELINE ANNETTE PERLMUTTER RAS
Counselor (Addiction (Substance Use Disorder))
150 NELLEN AVE
CORTE MADERA, CA 94925
Marin County (415) 945-9870
MICHAEL WESTGATE CMT
Massage Therapist
150 NELLEN AVE, SUITE 200
CORTE MADERA, CA 94925
Marin County (415) 225-4551
MARK J. SCHILLER, M.D., PROFESSIONAL CORPORATION
Psychiatry & Neurology (Psychiatry)
150 NELLEN AVE, STE. 100
CORTE MADERA, CA 94925
Marin County (415) 945-9870

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 Nandine Hatvany's NPI number?

The NPI number for Nandine Hatvany is 1770628646. It was assigned to this individual provider in the NPPES registry on February 20, 2007.

Where is Nandine Hatvany located?

Nandine Hatvany practices at 150 Nellen Ave, Corte Madera, CA 94925. The listed phone number is (415) 381-1065.

What is Nandine Hatvany's specialty?

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

Is Nandine Hatvany enrolled in Medicare?

No. Nandine Hatvany has opted out of Medicare through July 16, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Nandine Hatvany was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.