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

Mr. Jeffrey Daniel Marsh, LMSW

Individual provider Clinical Social Worker · NPI 1598114936

Mr. Jeffrey Daniel Marsh, LMSW is a Clinical Social Worker in Grand Rapids, Michigan. Qualified in 1998, 28 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Michigan.

Years since qualifying
28
Licensed in
MI
In the registry since
2016
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

790 Fuller Ave NE
Grand Rapids, MI 49503-1918
Phone: (616) 336-3909
Fax: (616) 336-8830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 68th St Se, Grand Rapids, MI 49548-6927 — (616) 559-5811

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 6801073262 (MI)
Psychiatric Hospital Taxonomy 283Q00000X · Licence 6801073262 (MI)

Record details

NPI number1598114936
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 7, 2016
Last updated in NPPESApril 17, 2026
Certification dateApril 17, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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