Addiction Therapist

Gary John Dillahunty

419 Pennsylvania St, Vallejo, California, 94590-6933

About Gary John Dillahunty

Gary John Dillahunty is a therapist based in Vallejo, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Gary John Dillahunty is 101YA0400X for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 419 Pennsylvania St, Vallejo. Patients can reach him at 707-643-2715. Gary John Dillahunty NPI number (Unique professional ID assigned by NPPES) is 1659564623.

Gary John Dillahunty 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

Gary John Dillahunty 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 Gary John Dillahunty
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 419 Pennsylvania St,
Vallejo, CA - 94590-6933

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 Number1659564623
NPI Enumeration Date: 23 Aug, 2007
NPI Last Update On: 23 Aug, 2007

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 Gary John Dillahunty are as mentioned below.

License NumberSpecializationStateStatus
101YA0400XAddiction (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.

Gary John Dillahunty
121 Yorkshire Ct, Apt.c
Vallejo, CA - 94591-6767
Phone: 707-556-9410

Book an Appointment with Gary John Dillahunty

To schedule an appointment, contact Gary John Dillahunty at 419 Pennsylvania St, Vallejo, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gary John Dillahunty:

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

Gary John Dillahunty practices at 419 Pennsylvania St, Vallejo, California, 94590-6933.

To schedule an appointment with Gary John Dillahunty, please contact the office at 707-643-2715.

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