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

Mr. Erik Matthew Wittrup, LMSW

Individual provider Clinical Social Worker · NPI 1407595580

Mr. Erik Matthew Wittrup, LMSW is a Clinical Social Worker in Portage, Michigan. Qualified in 2011, 15 years ago. Practices with Restorative Therapy and Counseling Services, a 13-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Licensed in
MI
In the registry since
2022
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

800 E Milham Ave
Portage, MI 49002-1490
Phone: (269) 249-7179
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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 6801117083 (MI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 6851096046 (MI)

Record details

NPI number1407595580
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedMay 27, 2022
Last updated in NPPESApril 1, 2024
Certification dateApril 1, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Restorative Therapy And Counseling Services — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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