Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory Sullivan

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1699331918

Gregory Sullivan is an Addiction (Substance Use Disorder) Counselor in Oroville, California. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

2167 Montgomery St
Oroville, CA 95965-4945
Phone: (530) 854-4119
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1699331918
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 13, 2019
Last updated in NPPESMay 13, 2019
Mailing addressPo Box 2456, Oroville, CA 95965-2456

Other providers in Oroville