Addiction Therapist

David Heiserman

18646 Oxnard St, Tarzana, California, 91356

About David Heiserman

David Heiserman is a therapist based in Tarzana, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of David Heiserman is 1691301 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 18646 Oxnard St, Tarzana. Patients can reach him at 747-224-0384 or can fax him at 818-960-4087. David Heiserman NPI number (Unique professional ID assigned by NPPES) is 1023585247.

David Heiserman 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

David Heiserman 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 David Heiserman
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 18646 Oxnard St,
Tarzana, CA - 91356
Fax 818-960-4087

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 Number1023585247
NPI Enumeration Date: 25 Oct, 2018
NPI Last Update On: 24 Mar, 2025

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 David Heiserman are as mentioned below.

License NumberSpecializationStateStatus
1691301Addiction (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.

David Heiserman
18646 Oxnard St,
Tarzana, CA - 91356
Phone: 818-996-1051

Book an Appointment with David Heiserman

To schedule an appointment, contact David Heiserman at 18646 Oxnard St, Tarzana, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about David Heiserman:

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

David Heiserman practices at 18646 Oxnard St, Tarzana, California, 91356.

To schedule an appointment with David Heiserman, please contact the office at 747-224-0384.

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