Addiction Therapist

Harriett Matthews

9100 Brentwood Blvd, Brentwood, California, 94513-4000

About Harriett Matthews

Harriett Matthews is a therapist based in Brentwood, California who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 9100 Brentwood Blvd, Brentwood. Patients can reach her at 925-809-7920 or can fax her at 925-809-7928. Harriett Matthews NPI number (Unique professional ID assigned by NPPES) is 1194947812.

Harriett Matthews is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Harriett Matthews speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Harriett Matthews
Specialization Addiction (Substance Use Disorder) Counselor
Gender Female
Practice Address: 9100 Brentwood Blvd,
Brentwood, CA - 94513-4000
Fax 925-809-7928

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1194947812
NPI Enumeration Date: 03 May, 2007
NPI Last Update On: 05 Feb, 2008

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Harriett Matthews are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) Counselor Primary

Other Medical Identifiers

Other legacy medical identifiers associated with Harriett Matthews such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0726OtherCaliforniaDRUG M/CAL BILLING NUM
070753OtherCaliforniaMASTER PROVIDER NO
070726OtherCaliforniaMASTER PROVIDER NUMBER
56636OtherCaliforniaSTAFF ID NUMBER
0753OtherCaliforniaDRUG-MEDI-CAL NO
07557OtherCaliforniaDMC ADOL BRENTWOOD

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Harriett Matthews
9100 Brentwood Blvd,
Brentwood, CA - 94513-4000
Phone: 925-809-7920
Fax: 925-809-7928

Book an Appointment with Harriett Matthews

To schedule an appointment, contact Harriett Matthews at 9100 Brentwood Blvd, Brentwood, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Harriett Matthews:

Harriett Matthews is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Yes, Harriett Matthews is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Harriett Matthews practices at 9100 Brentwood Blvd, Brentwood, California, 94513-4000.

To schedule an appointment with Harriett Matthews, please contact the office at 925-809-7920.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.