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

Mr. David Lawrence Preston, LCSW, MSW

Individual provider Clinical Social Worker · NPI 1528654233

Mr. David Lawrence Preston, LCSW, MSW is a Clinical Social Worker in Kalispell, Montana. Qualified in 2020, 6 years ago. Practices as a sole proprietor. Licensed in Montana.

Years since qualifying
6
Licensed in
MT
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.
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

38 E Washington St Ste 7
Kalispell, MT 59901-3974
Phone: (406) 282-4770
Fax: (866) 306-9129
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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 BBH-LCSW-LIC-72297 (MT)

Record details

NPI number1528654233
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , MSW
Sole proprietorYes
NPI enumeratedDecember 16, 2020
Last updated in NPPESJune 17, 2026
Certification dateJune 17, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated

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