Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Robert J. O'Brien, MSW, LMSW

Individual provider Clinical Social Worker · NPI 1205837903

Mr. Robert J. O'Brien, MSW, LMSW is a Clinical Social Worker in Petoskey, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2005
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

3890 Charlevoix Ave Ste 185
Petoskey, MI 49770
Phone: (231) 487-4694
Fax: (231) 347-9405
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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 6801057605 (MI)

Record details

NPI number1205837903
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LMSW
Sole proprietorYes
NPI enumeratedAugust 3, 2005
Last updated in NPPESNovember 15, 2011

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