Addiction Therapist

Jason Christopher Zelis

11540 Marsh Creek Rd, Clayton, California, 94517-9759

About Jason Christopher Zelis

Jason Christopher Zelis is a therapist based in Clayton, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Jason Christopher Zelis is 9078-R for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 11540 Marsh Creek Rd, Clayton. Patients can reach him at 925-672-5700 or can fax him at 925-672-5700. Jason Christopher Zelis NPI number (Unique professional ID assigned by NPPES) is 1366967259.

Jason Christopher Zelis 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

Jason Christopher Zelis 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 Jason Christopher Zelis
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 11540 Marsh Creek Rd,
Clayton, CA - 94517-9759
Fax 925-672-5700

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 Number1366967259
NPI Enumeration Date: 11 Aug, 2017
NPI Last Update On: 11 Aug, 2017

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 Jason Christopher Zelis are as mentioned below.

License NumberSpecializationStateStatus
9078-RAddiction (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.

Jason Christopher Zelis
11540 Marsh Creek Rd,
Clayton, CA - 94517-9759
Phone: 925-672-5700
Fax: 925-672-1374

Book an Appointment with Jason Christopher Zelis

To schedule an appointment, contact Jason Christopher Zelis at 11540 Marsh Creek Rd, Clayton, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Jason Christopher Zelis:

Jason Christopher Zelis 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, Jason Christopher Zelis is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Jason Christopher Zelis practices at 11540 Marsh Creek Rd, Clayton, California, 94517-9759.

To schedule an appointment with Jason Christopher Zelis, please contact the office at 925-672-5700.

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