Addiction Therapist

Marion Callahan, LCDC

1009 N Georgetown St, Round Rock, Texas, 78664-3289

About Marion Callahan

Marion Callahan is a therapist based in Round Rock, Texas who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Marion Callahan is 11790 for Addiction (Substance Use Disorder) Counselor in Texas. Her current practice location is 1009 N Georgetown St, Round Rock. Patients can reach her at 512-255-1720 or can fax her at 512-597-2141. Marion Callahan is LCDC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1568906006.

Marion 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

Marion 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 Marion Callahan
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LCDC
Gender Female
Practice Address: 1009 N Georgetown St,
Round Rock, TX - 78664-3289
Fax 512-597-2141

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 Number1568906006
NPI Enumeration Date: 16 Dec, 2016
NPI Last Update On: 16 Dec, 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 Marion Callahan are as mentioned below.

License NumberSpecializationStateStatus
11790Addiction (Substance Use Disorder) Counselor TexasPrimary

Mailing Address

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

Marion Callahan
1009 N Georgetown St,
Round Rock, TX - 78664-3289
Phone: 512-255-1720
Fax: 512-597-2141

Book an Appointment with Marion Callahan

To schedule an appointment, contact Marion Callahan at 1009 N Georgetown St, Round Rock, Texas or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Marion Callahan:

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

Marion Callahan practices at 1009 N Georgetown St, Round Rock, Texas, 78664-3289.

To schedule an appointment with Marion Callahan, please contact the office at 512-255-1720.

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