Erik Matthew Wittrup, LMSW
Clinical Social Worker · Portage, MI
Erik Matthew Wittrup, LMSW is a clinical social worker with a practice address in Portage, Michigan, and NPI 1407595580, issued on May 27, 2022. Check the license (Michigan 6801117083, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erik Matthew Wittrup
- Credential
- LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 6801117083 MI
6851096046 MI
Self-reported in NPPES; status is on the state search - Practice location
- 800 E Milham Ave, Portage, MI 49002
- Phone
- (269) 249-7179
- Enumerated
- May 27, 2022
- Record last updated
- Apr 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240830002808); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,644 in Michigan → Look up another NPI →
Also registered at 800 E Milham Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Calley Green, RNRegistered Nurse1801465653
- Allison Kapcia, MSWSocial Worker1861065849
Verify Erik Matthew Wittrup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801117083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Restorative Therapy And Counseling ServicesPortage, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik Matthew Wittrup among 17,644 clinical social worker records in Michigan
Erik Matthew Wittrup, LMSW is one of 17,644 clinical social worker records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated2011 · median 2012 among the 3,587 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 clinical social worker records list a practice address in Portage
They are 122 of the 1,492 NPPES records with a practice address in Portage, and 17,644 clinical social worker records in Michigan.
All 17,644 in Michigan → Every provider in Portage → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Paul Brinkley, MSWPortage, MI 490021992022503
- Nicole Erickson, LCSWPortage, MI 490021265876288
- Kathleen Fawley-Huss, LMSW, BCDPortage, MI 490021740348135
- Carol Harvey, LMSWPortage, MI 490021013245752
- Nancy Hein, MSWPortage, MI 490021700858297
- Karen Joy, LCSWPortage, MI 490021659462604
- David Linn, LMSW, LMFTKalamazoo, MI 490021356380943
- James Loomis, M.S.W.Portage, MI 490021245233915
Common questions
What is Erik Matthew Wittrup, LMSW's NPI number?
Erik Matthew Wittrup, LMSW's National Provider Identifier (NPI) is 1407595580, issued on May 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Erik Matthew Wittrup, LMSW located?
The NPPES record lists a practice address at 800 E Milham Ave, Portage, MI, 49002. Phone: (269) 249-7179. Providers update this record themselves, so call before visiting.
How can I verify Erik Matthew Wittrup, LMSW's license?
NPPES lists Michigan license number 6801117083, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.