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

Roy Sinclair Merwin Jr., MSW, LISW

Individual provider Clinical Social Worker · NPI 1467596866

Roy Sinclair Merwin Jr., MSW, LISW is a Clinical Social Worker in Grove City, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

3725 Broadway
Grove City, OH 43123-2201
Phone: (614) 539-2242
Fax: (614) 539-2245
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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 I 0003344 (OH)

Record details

NPI number1467596866
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LISW
Sole proprietorYes
NPI enumeratedFebruary 18, 2007
Last updated in NPPESJuly 8, 2007
Mailing address3725 Broadway, Grove City, OH 43123-2201

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