Addiction Therapist

Cristian John Castellanos

440 Potrero Ave, San Francisco, California, 94110-1430

About Cristian John Castellanos

Cristian John Castellanos is a therapist based in San Francisco, California who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is 440 Potrero Ave, San Francisco. Patients can reach him at 415-487-6722 or can fax him at 415-487-6724. Cristian John Castellanos NPI number (Unique professional ID assigned by NPPES) is 1952966616.

Cristian John Castellanos 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

Cristian John Castellanos 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 Cristian John Castellanos
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 440 Potrero Ave,
San Francisco, CA - 94110-1430
Fax 415-487-6724

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 Number1952966616
NPI Enumeration Date: 07 May, 2019
NPI Last Update On: 07 May, 2019

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 Cristian John Castellanos 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.

Cristian John Castellanos
440 Potrero Ave,
San Francisco, CA - 94110-1430
Phone: 415-487-6722
Fax: 415-487-6724

Book an Appointment with Cristian John Castellanos

To schedule an appointment, contact Cristian John Castellanos at 440 Potrero Ave, San Francisco, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Cristian John Castellanos:

Cristian John Castellanos 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, Cristian John Castellanos is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Cristian John Castellanos practices at 440 Potrero Ave, San Francisco, California, 94110-1430.

To schedule an appointment with Cristian John Castellanos, please contact the office at 415-487-6722.

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