MS. NANCY ANDERSEN MFT
NPI 1780009738
Marriage & Family Therapist in Los Altos, CA

Active since February 27, 2014Opted out of Medicare · through Apr 6, 2028
851 FREMONT AVE, SUITE 107, LOS ALTOS, CA 94024(650) 833-9574(650) 917-1580 Get Directions Write a Review

NPPES record last updated: February 27, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Nancy Andersen Mft NPPES

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

MS. NANCY ANDERSEN MFT (NPI 1780009738) is an individual marriage & family therapist in Los Altos, California, licensed in California (MFC51345) and active in the NPI registry since February 2014. She has opted out of Medicare through April 6, 2028.

NPPES Registry Identity

NPI1780009738
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. NANCY ANDERSENCredential: MFT
Location Address851 FREMONT AVE, SUITE 107Los Altos, CA 94024-5698
Mailing Address851 Fremont Ave, Suite 107Los Altos, CA 94024-5698 · (650) 833-9574 · Fax (650) 917-1580
Fax(650) 917-1580
Sole ProprietorYes
Enumeration DateFebruary 27, 2014
NPI 1780009738 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 · MFC51345
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.
851 FREMONT AVE, Los Altos, CA 94024

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. Nancy Andersen 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 April 6, 2026 through April 6, 2028.

Opt-Out Effective DateApril 6, 2026
Opt-Out In Effect ThroughApril 6, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 20

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

Physical Therapist
851 FREMONT AVE, SUITE 114
LOS ALTOS, CA 94024
Psychologist
851 FREMONT AVE, SUITE 107
LOS ALTOS, CA 94024
Chiropractor
851 FREMONT AVE, SUITE #111
LOS ALTOS, CA 94024
Dentist
851 FREMONT AVE, SUITE 101
LOS ALTOS, CA 94024
Marriage & Family Therapist
851 FREMONT AVE
LOS ALTOS, CA 94024
Hearing Instrument Specialist
851 FREMONT AVE, STE 99
LOS ALTOS, CA 94024
Physical Medicine & Rehabilitation
851 FREMONT AVE, SUITE 109
LOS ALTOS, CA 94024
Counselor (Pastoral)
851 FREMONT AVE, STE. 214
LOS ALTOS, CA 94024

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 Nancy Andersen's NPI number?

The NPI number for Nancy Andersen is 1780009738. It was assigned to this individual provider in the NPPES registry on February 27, 2014.

Where is Nancy Andersen located?

Nancy Andersen practices at 851 Fremont Ave Suite 107, Los Altos, CA 94024. The listed phone number is (650) 833-9574.

What is Nancy Andersen's specialty?

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

Is Nancy Andersen enrolled in Medicare?

No. Nancy Andersen has opted out of Medicare through April 6, 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 Nancy Andersen was last updated on February 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.