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

Lawrence R Marsh, LCSW

Individual provider Clinical Social Worker · NPI 1043850332

Lawrence R Marsh, LCSW is a Clinical Social Worker in Boulder, Colorado. Qualified in 1989, 37 years ago. Practices as a sole proprietor. Licensed in Colorado.

Years since qualifying
37
Licensed in
CO
In the registry since
2020
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

7722 Brockway Dr
Boulder, CO 80303-4827
Phone: (303) 641-6608
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 991081 (CO)

Record details

NPI number1043850332
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 14, 2020
Last updated in NPPESJanuary 14, 2020
Certification dateJanuary 14, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Boulder