Martha Louise Hosmer-Arion, LMSW
Clinical Social Worker · Flint, MI
Martha Louise Hosmer-Arion, LMSW is a clinical social worker with a practice address in Flint, Michigan, and NPI 1235423088, issued on Jun 8, 2011. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Louise Hosmer-Arion
- Credential
- LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 303 W Water St, Flint, MI 48503
- Phone
- (810) 232-2766
- Enumerated
- Jun 8, 2011
- Record last updated
- Jul 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20140827001505); 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 303 W Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha Louise Hosmer-Arion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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
- Alternative Community Living IncMount Clemens, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Louise Hosmer-Arion among 17,644 clinical social worker records in Michigan
Martha Louise Hosmer-Arion, 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 2011, is newer than 26% of them.
- NPI issued2011 · 26% of these records are older, 71% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1990 · median 2012 among the 3,587 with a school on file
- Record last updated2025 · 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).
458 clinical social worker records list a practice address in Flint
They are 458 of the 6,073 NPPES records with a practice address in Flint, and 17,644 clinical social worker records in Michigan.
All 17,644 in Michigan → Every provider in Flint → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Kathy Barton-Brown, MSW, LMSWFlint, MI 485031396791588
- Katherine Baxter, LMSW, CAADC, CCDP-DFlint, MI 485031992732176
- Mary Brown, MSW LMSWFlint, MI 485031891807954
- Marian Deeghan, LMSW, ACSW, LMFTFlint, MI 485031225067994
- William FoyFlint, MI 485031154364255
- Kathryn Gallagher, MSW, LMSW, ACSWFlint, MI 485031093750515
- June Hall, L.M.S.W.Flint, MI 485031427067800
- Sharron Harrison, MA.LLP,LMSWFlint, MI 485031558370452
Common questions
What is Martha Louise Hosmer-Arion, LMSW's NPI number?
Martha Louise Hosmer-Arion, LMSW's National Provider Identifier (NPI) is 1235423088, issued on Jun 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Martha Louise Hosmer-Arion, LMSW located?
The NPPES record lists a practice address at 303 W Water St, Flint, MI, 48503. Phone: (810) 232-2766. Providers update this record themselves, so call before visiting.
How can I verify Martha Louise Hosmer-Arion, LMSW's license?
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.