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

Gregory Hamilton

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1497164230

Gregory Hamilton is an Addiction (Substance Use Disorder) Counselor in San Diego, California. Practices as a sole proprietor. Registered with an NPI since 2014.

In the registry since
2014
Specialties on file
5

Practice location Address checks out

9465 Farnham St
San Diego, CA 92123-1308
Phone: (619) 948-3708
Show map & directions

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

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X
Mental Health Counselor Taxonomy 101YM0800X
Pastoral Counselor Taxonomy 101YP1600X
Counselor Taxonomy 101Y00000X

Record details

NPI number1497164230
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 6, 2014
Last updated in NPPESDecember 29, 2015

Other providers in San Diego