HALSEY NEWBROUGH SIMMONS M.F.T.
NPI 1164585444
Marriage & Family Therapist in Pleasant Hill, CA

Q: What is Halsey Simmons's NPI number?

The NPI number for Halsey Simmons is 1164585444. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Q: What is Halsey Simmons'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 Halsey Simmons was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 December 18, 2006

140 MAYHEW WAY STE 300, PLEASANT HILL, CA 94523(707) 315-8889(888) 488-6656 Get Directions Write a Review

NPPES record last updated: March 18, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Halsey Newbrough Simmons M.f.t. NPPES

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

HALSEY NEWBROUGH SIMMONS M.F.T. (NPI 1164585444) is an individual marriage & family therapist in Pleasant Hill, California, licensed in California (30120) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1164585444

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameHALSEY NEWBROUGH SIMMONSCredential: M.F.T.

Location Address140 MAYHEW WAY STE 300Pleasant Hill, CA 94523-4398

Mailing Address533 E J StBenicia, CA 94510-3433 · (707) 315-8889 · Fax (888) 488-6656

Phone(707) 315-8889

Fax(888) 488-6656

Sole ProprietorYes

Enumeration DateDecember 18, 2006

Last NPPES UpdateMarch 18, 2025

NPPES CertifiedMarch 14, 2025

✔ NPI 1164585444 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 · 30120

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.

140 MAYHEW WAY STE 300, Pleasant Hill, CA 94523

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Other Identifiers 1

Other30120CA · License Number

Other Providers at the Same Location NPPES 10

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

KIMBERLY SHAW, MFT

Marriage & Family Therapist