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HARRIETT MATTHEWS
NPI 1194947812
Counselor - Addiction (Substance Use Disorder) in Brentwood, CA

Active since May 03, 2007
9100 BRENTWOOD BLVD, BRENTWOOD, CA 94513(925) 809-7920(925) 809-7928 Get Directions Write a Review

NPPES record last updated: February 5, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Harriett Matthews NPPES

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

HARRIETT MATTHEWS (NPI 1194947812) is an individual addiction (substance use disorder) provider in Brentwood, California and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1194947812
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameHARRIETT MATTHEWS
Location Address9100 BRENTWOOD BLVDBrentwood, CA 94513-4000
Mailing Address9100 Brentwood BlvdBrentwood, CA 94513-4000 · (925) 809-7920 · Fax (925) 809-7928
Phone(925) 809-7920
Fax(925) 809-7928
Sole ProprietorYes
Enumeration DateMay 3, 2007
Last NPPES UpdateFebruary 5, 2008
✔ NPI 1194947812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
9100 BRENTWOOD BLVD, Brentwood, CA 94513
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Other Identifiers 6

Other0726CA · Drug M/cal Billing Num
Other070753CA · Master Provider No
Other56636CA · Staff Id Number
Other070726CA · Master Provider Number
Other07557CA · Dmc Adol Brentwood
Other0753CA · Drug-medi-cal No

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.

JACKIE SMITH JR.
Counselor (Addiction (Substance Use Disorder))
9100 BRENTWOOD BLVD
BRENTWOOD, CA 94513
Contra Costa County (925) 809-7920
JOHN THOMAS ATKINS
Counselor (Addiction (Substance Use Disorder))
9100 BRENTWOOD BLVD
BRENTWOOD, CA 94513
Contra Costa County (925) 666-8460
SYED U. FAROOQ
Psychologist (Addiction (Substance Use Disorder))
9100 BRENTWOOD BLVD
BRENTWOOD, CA 94513
Contra Costa County (925) 809-7920
CAROL THREDE
Counselor (Addiction (Substance Use Disorder))
9100 BRENTWOOD BLVD
BRENTWOOD, CA 94513
Contra Costa County (925) 809-7920
WILLIE DREW ROBINSON
Counselor (Addiction (Substance Use Disorder))
9100 BRENTWOOD BLVD
BRENTWOOD, CA 94513
Contra Costa County (925) 809-7920

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 Harriett Matthews's NPI number?

The NPI number for Harriett Matthews is 1194947812. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Harriett Matthews located?

Harriett Matthews practices at 9100 Brentwood Blvd, Brentwood, CA 94513. The listed phone number is (925) 809-7920.

What is Harriett Matthews's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Harriett Matthews was last updated on February 5, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.