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

David Sullivan, LCSW, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952550402

David Sullivan, LCSW, LAC is an Addiction (Substance Use Disorder) Counselor in Boulder, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2008
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.
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.

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Practice location Address checks out

2955 Valmont Rd Ste 110
Boulder, CO 80301-1360
Phone: (720) 492-7254
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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 9924117 (CO)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 770 (CO)

Record details

NPI number1952550402
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , LAC
Sole proprietorYes
NPI enumeratedSeptember 9, 2008
Last updated in NPPESApril 9, 2025
Certification dateApril 9, 2025
Mailing address2955 Valmont Rd Ste 110, Boulder, CO 80301-1360

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