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MRS. SPENCER BARRETT JACOBS MFT
NPI 1932361599
Marriage & Family Therapist in Mill Valley, CA

Active since June 25, 2008Opted out of Medicare · through Oct 9, 2027
495 MILLER AVE, SUITE 105, MILL VALLEY, CA 94941(415) 968-5566 Get Directions Write a Review

NPPES record last updated: November 28, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Spencer Barrett Jacobs Mft NPPES

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

MRS. SPENCER BARRETT JACOBS MFT (NPI 1932361599) is an individual marriage & family therapist in Mill Valley, California, licensed in California (50045) and active in the NPI registry since June 2008. She has opted out of Medicare through October 9, 2027.

NPPES Registry Identity

NPI1932361599
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. SPENCER BARRETT JACOBSCredential: MFT
Location Address495 MILLER AVE, SUITE 105Mill Valley, CA 94941-5837
Mailing Address495 Miller Ave, Suite 105Mill Valley, CA 94941-5837 · (415) 310-5650
Phone(415) 968-5566
Sole ProprietorYes
Enumeration DateJune 25, 2008
Last NPPES UpdateNovember 28, 2016
✔ NPI 1932361599 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 · 50045
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.
495 MILLER AVE, Mill Valley, CA 94941
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mrs. Spencer Barrett Jacobs 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 October 9, 2025 through October 9, 2027.

Opt-Out Effective DateOctober 9, 2025
Opt-Out In Effect ThroughOctober 9, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Spencer Jacobs's NPI number?

The NPI number for Spencer Jacobs is 1932361599. It was assigned to this individual provider in the NPPES registry on June 25, 2008.

Where is Spencer Jacobs located?

Spencer Jacobs practices at 495 Miller Ave Suite 105, Mill Valley, CA 94941. The listed phone number is (415) 968-5566.

What is Spencer Jacobs's specialty?

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

Is Spencer Jacobs enrolled in Medicare?

No. Spencer Jacobs has opted out of Medicare through October 9, 2027. 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 Spencer Jacobs was last updated on November 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.