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

Cynthia Colleen Simpson, MSW, RAS, PHD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1669516860

Cynthia Colleen Simpson, MSW, RAS, PHD is an Addiction (Substance Use Disorder) Counselor in Clarksville, Ohio. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

910B Halpin Rd
Clarksville, OH 45113-9730
Phone: (888) 867-2280
Fax: (760) 406-5824
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 (CA)

Record details

NPI number1669516860
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , RAS , PHD
Sole proprietorYes
NPI enumeratedFebruary 19, 2007
Last updated in NPPESNovember 8, 2016