NPPES file of Aug 9, 2026

Joann Marlier, LPCC, LSW

Social Worker · Warren, OH

Joann Marlier, LPCC, LSW is a social worker with a practice address in Warren, Ohio, and NPI 1487705570, issued on Jan 15, 2007. Check the license (Ohio S4959, as entered in NPPES) with the Ohio 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
1487705570
Name
Joann Marlier
Credential
LPCC, LSW
Primary taxonomy
Social Worker 104100000X
License numbers
S4959 OH
E2378 OH
Self-reported in NPPES; status is on the state search
Practice location
318 Mahoning Ave NW, Warren, OH 44483
Phone
(330) 395-9563
Enumerated
Jan 15, 2007
Record last updated
Sep 11, 2025
Fax
(330) 393-5975
Medicare enrollment
Enrolled (PECOS I20240109000750); accepts Medicare assignment
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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8 nearest social worker records → All 11,239 in Ohio → Look up another NPI →

Also registered at 318 Mahoning Ave NW

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

  1. Lorra Barnes, PCC, CDCAMental Health Counselor1861673956
  2. Edward Bolino, PCCMental Health Counselor1124166632
  3. Jane Boutwell, LSW,LPCCSocial Worker1891831640
  4. Alesia CodeCase Manager/Care Coordinator1376352633
  5. Autumn CrumpSchool Counselor1437704590
  6. Nicolette Darkangelo, LSW, MSWClinical Social Worker1962797043

Verify Joann Marlier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license S4959    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 Ohio 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. Columbiana County Mental Health ClinicLisbon, OH

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

Joann Marlier among 11,239 social worker records in Ohio

Joann Marlier, LPCC, LSW is one of 11,239 social worker records with a practice address in Ohio. 3% 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 3% of them.

  • NPI issued2007 · 3% of these records are older, 94% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated1993 · median 2015 among the 498 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

83 social worker records list a practice address in Warren

They are 83 of the 2,090 NPPES records with a practice address in Warren, and 11,239 social worker records in Ohio.

All 11,239 in Ohio → Every provider in Warren → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. David Barran, LISWWarren, OH 444831558681858
  2. Jane Boutwell, LSW,LPCCWarren, OH 444831891831640
  3. Kimberly Crawford, M.ED.,LSWWarren, OH 444831821299413
  4. Anastashia GarrisonWarren, OH 444831104478718
  5. Raffaela InfanteWarren, OH 444831225530587
  6. Louise Kline, MSSA LISW RNWarren, OH 444831801921200
  7. Julie MeltonWarren, OH 444831316446362
  8. Crystal PankeyWarren, OH 444831568939239

Common questions

What is Joann Marlier, LPCC, LSW's NPI number?

Joann Marlier, LPCC, LSW's National Provider Identifier (NPI) is 1487705570, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joann Marlier, LPCC, LSW located?

The NPPES record lists a practice address at 318 Mahoning Ave NW, Warren, OH, 44483. Phone: (330) 395-9563. Providers update this record themselves, so call before visiting.

How can I verify Joann Marlier, LPCC, LSW's license?

NPPES lists Ohio license number S4959, as entered by the provider. Search the Ohio 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.