Addiction Therapist

Joanne Brennan, LAADC

2750 S Harbor Blvd Ste G, Santa Ana, California, 92704-5820

About Joanne Brennan

Joanne Brennan is a therapist based in Santa Ana, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Joanne Brennan is LR0250315 for Addiction (Substance Use Disorder) Counselor in California. Her current practice location is 2750 S Harbor Blvd Ste G, Santa Ana. Patients can reach her at 866-746-1558. Joanne Brennan is LAADC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1558023853.

Joanne Brennan 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

Joanne Brennan 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 Joanne Brennan
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LAADC
Gender Female
Practice Address: 2750 S Harbor Blvd Ste G,
Santa Ana, CA - 92704-5820

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 Number1558023853
NPI Enumeration Date: 13 Oct, 2021
NPI Last Update On: 13 Oct, 2021

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 Joanne Brennan are as mentioned below.

License NumberSpecializationStateStatus
LR0250315Addiction (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.

Joanne Brennan
2750 S Harbor Blvd Ste G,
Santa Ana, CA - 92704-5820
Phone: 866-746-1558

Book an Appointment with Joanne Brennan

To schedule an appointment, contact Joanne Brennan at 2750 S Harbor Blvd Ste G, Santa Ana, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Joanne Brennan:

Joanne Brennan 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, Joanne Brennan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Joanne Brennan practices at 2750 S Harbor Blvd Ste G, Santa Ana, California, 92704-5820.

To schedule an appointment with Joanne Brennan, please contact the office at 866-746-1558.

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