Addiction Therapist

Gregory Sullivan

2167 Montgomery St, Oroville, California, 95965-4945

About Gregory Sullivan

Gregory Sullivan is a therapist based in Oroville, California who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is 2167 Montgomery St, Oroville. Patients can reach him at 530-854-4119. Gregory Sullivan NPI number (Unique professional ID assigned by NPPES) is 1699331918.

Gregory Sullivan 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

Gregory Sullivan 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 Gregory Sullivan
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 2167 Montgomery St,
Oroville, CA - 95965-4945

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 Number1699331918
NPI Enumeration Date: 13 May, 2019
NPI Last Update On: 13 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 Gregory Sullivan 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.

Gregory Sullivan
Po Box 2456,
Oroville, CA - 95965-2456

Book an Appointment with Gregory Sullivan

To schedule an appointment, contact Gregory Sullivan at 2167 Montgomery St, Oroville, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gregory Sullivan:

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

Gregory Sullivan practices at 2167 Montgomery St, Oroville, California, 95965-4945.

To schedule an appointment with Gregory Sullivan, please contact the office at 530-854-4119.

Reviews & Feedback

Have you visited Gregory Sullivan? Share your experience to help others looking for a Addiction (Substance Use Disorder) Counselor in Oroville, CA.

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