Addiction Therapist

Steven Anthony Shirk, 16464-RAC

2100 W Commonwealth Ave # 2144, Fullerton, California, 92833-3019

About Steven Anthony Shirk

Steven Anthony Shirk is a therapist based in Fullerton, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Steven Anthony Shirk is 16464-RAC for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 2100 W Commonwealth Ave # 2144, Fullerton. Patients can reach him at 951-772-6211. Steven Anthony Shirk is 16464-RAC in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1669254744.

Steven Anthony Shirk 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

Steven Anthony Shirk 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 Steven Anthony Shirk
Specialization Addiction (Substance Use Disorder) Counselor
Credentials 16464-RAC
Gender Male
Practice Address: 2100 W Commonwealth Ave # 2144,
Fullerton, CA - 92833-3019

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 Number1669254744
NPI Enumeration Date: 16 Oct, 2023
NPI Last Update On: 18 Oct, 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 Steven Anthony Shirk are as mentioned below.

License NumberSpecializationStateStatus
16464-RACAddiction (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.

Steven Anthony Shirk
2100 W Commonwealth Ave # 2144,
Fullerton, CA - 92833-3019
Phone: 951-772-6211

Book an Appointment with Steven Anthony Shirk

To schedule an appointment, contact Steven Anthony Shirk at 2100 W Commonwealth Ave # 2144, Fullerton, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Steven Anthony Shirk:

Steven Anthony Shirk 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, Steven Anthony Shirk is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Steven Anthony Shirk practices at 2100 W Commonwealth Ave # 2144, Fullerton, California, 92833-3019.

To schedule an appointment with Steven Anthony Shirk, please contact the office at 951-772-6211.

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