NPPES file of Aug 9, 2026

Mareen Allyn-Snyder Stevens, MSW, LMSW

Clinical Social Worker · Livonia, MI

Mareen Allyn-Snyder Stevens, MSW, LMSW is a clinical social worker with a practice address in Livonia, Michigan, and NPI 1255481479, issued on Jan 11, 2007. Check the license (Michigan 6801059436, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255481479
Name
Mareen Allyn-Snyder Stevens
Credential
MSW, LMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
6801059436 MI
Self-reported in NPPES; status is on the state search
Practice location
15370 Levan RD, Livonia, MI 48154
Phone
(734) 744-0170
Enumerated
Jan 11, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(734) 744-0171
Medicare enrollment
Enrolled (PECOS I20070326000090); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15370 Levan RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Toni Bess, LMSWClinical Social Worker1053552133
  2. Andrea Cerney, LLPPsychologist1871661496
  3. Laura Dell, MSW LMSWClinical Social Worker1275782559
  4. Julie Dupont-MoschetCounselor1063743466
  5. Bryant Goulet, LMSWSocial Worker1538218326
  6. Alexandra HodorBehavior Technician1427583269

Verify Mareen Allyn-Snyder Stevens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6801059436
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Collaborative Health Center PLLCLivonia, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mareen Allyn-Snyder Stevens among 17,644 clinical social worker records in Michigan

Mareen Allyn-Snyder Stevens, MSW, 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 2007, is newer than 9% of them.

  • NPI issued2007 · 9% of these records are older, 82% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated1988 · median 2012 among the 3,587 with a school on file
  • Record last updated2007 · 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).

238 clinical social worker records list a practice address in Livonia

They are 238 of the 4,733 NPPES records with a practice address in Livonia, and 17,644 clinical social worker records in Michigan.

The 8 clinical social worker records with the nearest ZIP codes

  1. William Barnes, LMSWLivonia, MI 481541912944406
  2. Sandra Chambers, LMSW, ACSW, CEAPLivonia, MI 481541578605242
  3. Patricia Decourcy, MSW LMSWLivonia, MI 481541972541605
  4. Robin Ferris, ACSWLivonia, MI 481541285798777
  5. Michael Flannery, CSWLivonia, MI 481541497817076
  6. Elese Hairston, LMSWLivonia, MI 481541861439572
  7. Jacqueline Hurst, LMSWLivonia, MI 481541568415545
  8. Lynn Keidan, LMSWLivonia, MI 481541447396254

Common questions

What is Mareen Allyn-Snyder Stevens, MSW, LMSW's NPI number?

Mareen Allyn-Snyder Stevens, MSW, LMSW's National Provider Identifier (NPI) is 1255481479, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mareen Allyn-Snyder Stevens, MSW, LMSW located?

The NPPES record lists a practice address at 15370 Levan RD, Livonia, MI, 48154. Phone: (734) 744-0170. Providers update this record themselves, so call before visiting.

How can I verify Mareen Allyn-Snyder Stevens, MSW, LMSW's license?

NPPES lists Michigan license number 6801059436, 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.