Addiction Therapist

Colleen Callahan, CADC II

2781 W Ramsey St Ste 3&4, Banning, California, 92220-3700

About Colleen Callahan

Colleen Callahan is a therapist based in Banning, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Colleen Callahan is A066880825 for Addiction (Substance Use Disorder) Counselor in California. Her current practice location is 2781 W Ramsey St Ste 3&4, Banning. Patients can reach her at 951-417-6612. Colleen Callahan is CADC II in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1104394709.

Colleen Callahan 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

Colleen Callahan 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 Colleen Callahan
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CADC II
Gender Female
Practice Address: 2781 W Ramsey St Ste 3&4,
Banning, CA - 92220-3700

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 Number1104394709
NPI Enumeration Date: 13 Nov, 2018
NPI Last Update On: 13 Mar, 2026

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 Colleen Callahan are as mentioned below.

License NumberSpecializationStateStatus
A066880825Addiction (Substance Use Disorder) Counselor CaliforniaPrimary
R1239211216Addiction (Substance Use Disorder) Counselor CaliforniaSecondary

Mailing Address

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

Colleen Callahan
3286 E Guasti Rd Ste 100,
Ontario, CA - 91761-8646

Book an Appointment with Colleen Callahan

To schedule an appointment, contact Colleen Callahan at 2781 W Ramsey St Ste 3&4, Banning, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Colleen Callahan:

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

Colleen Callahan practices at 2781 W Ramsey St Ste 3&4, Banning, California, 92220-3700.

To schedule an appointment with Colleen Callahan, please contact the office at 951-417-6612.

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