Addiction Therapist

Stephan Matthew Diehl

4161 Marlborough Ave, San Diego, California, 92105-1412

About Stephan Matthew Diehl

Stephan Matthew Diehl is a therapist based in San Diego, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Stephan Matthew Diehl is R1475590722 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 4161 Marlborough Ave, San Diego. Patients can reach him at 619-282-7274. Stephan Matthew Diehl NPI number (Unique professional ID assigned by NPPES) is 1144921370.

Stephan Matthew Diehl 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

Stephan Matthew Diehl 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 Stephan Matthew Diehl
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 4161 Marlborough Ave,
San Diego, CA - 92105-1412

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 Number1144921370
NPI Enumeration Date: 14 Mar, 2023
NPI Last Update On: 14 Mar, 2023

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 Stephan Matthew Diehl are as mentioned below.

License NumberSpecializationStateStatus
R1475590722Addiction (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.

Stephan Matthew Diehl
4025 Camino Del Rio S Ste 207,
San Diego, CA - 92108-4108
Phone: 619-297-5131

Book an Appointment with Stephan Matthew Diehl

To schedule an appointment, contact Stephan Matthew Diehl at 4161 Marlborough Ave, San Diego, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Stephan Matthew Diehl:

Stephan Matthew Diehl 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, Stephan Matthew Diehl is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Stephan Matthew Diehl practices at 4161 Marlborough Ave, San Diego, California, 92105-1412.

To schedule an appointment with Stephan Matthew Diehl, please contact the office at 619-282-7274.

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