Addiction Therapist

Jeff Westermann

609 Jefferson St, Fairfield, California, 94533-6293

About Jeff Westermann

Jeff Westermann is a therapist based in Fairfield, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Jeff Westermann is 24372 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 609 Jefferson St, Fairfield. Patients can reach him at 707-399-9190. Jeff Westermann NPI number (Unique professional ID assigned by NPPES) is 1598267197.

Jeff Westermann is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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

Jeff Westermann 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 Jeff Westermann
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 609 Jefferson St,
Fairfield, CA - 94533-6293

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 Number1598267197
NPI Enumeration Date: 28 Feb, 2018
NPI Last Update On: 05 May, 2026

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 Jeff Westermann are as mentioned below.

License NumberSpecializationStateStatus
24372Addiction (Substance Use Disorder) Counselor CaliforniaPrimary

Mailing Address

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

Jeff Westermann
824 Granada Ln,
Vacaville, CA - 95688-2041
Phone: 916-340-5821

Book an Appointment with Jeff Westermann

To schedule an appointment, contact Jeff Westermann at 609 Jefferson St, Fairfield, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Jeff Westermann:

Jeff Westermann is a therapist specializing in Addiction (Substance Use Disorder) Counselor. He is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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, Jeff Westermann is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Jeff Westermann practices at 609 Jefferson St, Fairfield, California, 94533-6293.

To schedule an appointment with Jeff Westermann, please contact the office at 707-399-9190.

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