Addiction Therapist

Leonard Simpson

4000 Long Beach Blvd, 228, Long Beach, California, 90807-2617

About Leonard Simpson

Leonard Simpson is a therapist based in Long Beach, California who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is 4000 Long Beach Blvd, 228, Long Beach. Patients can reach him at 562-637-3143 or can fax him at 562-637-3244. Leonard Simpson NPI number (Unique professional ID assigned by NPPES) is 1720392475.

Leonard Simpson 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 Simpson 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 Simpson
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 4000 Long Beach Blvd, 228
Long Beach, CA - 90807-2617
Fax 562-637-3244

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 Number1720392475
NPI Enumeration Date: 04 Aug, 2010
NPI Last Update On: 04 Aug, 2010

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 Simpson 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 Simpson
4000 Long Beach Blvd, 228
Long Beach, CA - 90807-2617
Phone: 562-637-3143
Fax: 562-637-3244

Book an Appointment with Leonard Simpson

To schedule an appointment, contact Leonard Simpson at 4000 Long Beach Blvd, 228, Long Beach, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Leonard Simpson:

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

Leonard Simpson practices at 4000 Long Beach Blvd, 228, Long Beach, California, 90807-2617.

To schedule an appointment with Leonard Simpson, please contact the office at 562-637-3143.

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