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

Olivia McMaster Sullivan, LCSW

Individual provider Clinical Social Worker · NPI 1255783361

Olivia McMaster Sullivan, LCSW is a Clinical Social Worker in Arvada, Colorado. Practices as a sole proprietor. Licensed in Colorado and New York.

Licensed in
CO, NY
In the registry since
2016
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

8042 Iris Ct
Arvada, CO 80005-2138
Phone: (631) 241-3919
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 09926100 (CO)
Clinical Social Worker Taxonomy 1041C0700X · Licence 084197 (NY)

Record details

NPI number1255783361
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 13, 2016
Last updated in NPPESNovember 5, 2024
Certification dateNovember 5, 2024
Mailing address8042 Iris Ct, Arvada, CO 80005-2138

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