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

Helen M Davis

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1164780417

Helen M Davis is an Addiction (Substance Use Disorder) Counselor in Grass Valley, California. Practices as a sole proprietor. Registered with an NPI since 2012.

In the registry since
2012

Practice location Address checks out

440 Henderson St Ste C
Grass Valley, CA 95945-7374
Phone: (530) 273-9541
Fax: (530) 273-1327
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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 number1164780417
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 24, 2012
Last updated in NPPESApril 24, 2012
Mailing address360 Sutton Way Apt 36, Grass Valley, CA 95945-4129

Other providers in Grass Valley