Addiction Therapist

Theresa Schlemmer

1835 E Main St # D15, El Cajon, California, 92021-5221

About Theresa Schlemmer

Theresa Schlemmer is a therapist based in El Cajon, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Theresa Schlemmer is R1230600516 for Addiction (Substance Use Disorder) Counselor in California. Her current practice location is 1835 E Main St # D15, El Cajon. Patients can reach her at 619-507-7272. Theresa Schlemmer NPI number (Unique professional ID assigned by NPPES) is 1932552999.

Theresa Schlemmer 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

Theresa Schlemmer 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 Theresa Schlemmer
Specialization Addiction (Substance Use Disorder) Counselor
Gender Female
Practice Address: 1835 E Main St # D15,
El Cajon, CA - 92021-5221

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 Number1932552999
NPI Enumeration Date: 14 Jul, 2016
NPI Last Update On: 14 Jul, 2016

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 Theresa Schlemmer are as mentioned below.

License NumberSpecializationStateStatus
R1230600516Addiction (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.

Theresa Schlemmer
1835 E Main St # D15,
El Cajon, CA - 92021-5221
Phone: 619-507-7272

Book an Appointment with Theresa Schlemmer

To schedule an appointment, contact Theresa Schlemmer at 1835 E Main St # D15, El Cajon, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Theresa Schlemmer:

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

Theresa Schlemmer practices at 1835 E Main St # D15, El Cajon, California, 92021-5221.

To schedule an appointment with Theresa Schlemmer, please contact the office at 619-507-7272.

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