Addiction Therapist

Leonard Houlker

44900 60th St W, Lancaster, California, 93536-7618

About Leonard Houlker

Leonard Houlker is a therapist based in Lancaster, California who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is 44900 60th St W, Lancaster. Patients can reach him at 661-945-8458. Leonard Houlker NPI number (Unique professional ID assigned by NPPES) is 1588068613.

Leonard Houlker 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

Leonard Houlker 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 Leonard Houlker
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 44900 60th St W,
Lancaster, CA - 93536-7618

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 Number1588068613
NPI Enumeration Date: 17 Oct, 2014
NPI Last Update On: 17 Oct, 2014

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 Leonard Houlker are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) Counselor Primary

Mailing Address

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

Leonard Houlker
44406 Watford Ave,
Lancaster, CA - 93535-3102

Book an Appointment with Leonard Houlker

To schedule an appointment, contact Leonard Houlker at 44900 60th St W, Lancaster, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Leonard Houlker:

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

Leonard Houlker practices at 44900 60th St W, Lancaster, California, 93536-7618.

To schedule an appointment with Leonard Houlker, please contact the office at 661-945-8458.

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