Registry data as of Aug 27, 2026

Rosaria Kozar, MSW

Clinical Social Worker · Lancaster, MA

Rosaria Kozar, MSW is a clinical social worker with a practice address in Lancaster, Massachusetts, and NPI 1801752282, issued on Dec 30, 2025. Check the license (Massachusetts LCSW228882, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1801752282
Name
Rosaria Kozar
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCSW228882 MA
Self-reported in NPPES; status is on the state search
Practice location
971 Main St, Lancaster, MA 01523
Phone
(978) 368-6461
Enumerated
Dec 30, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 971 Main St

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

  1. Alison Eichmann, M.A., CCC-SLPSpeech-Language Pathologist1093389769
  2. Allison Galbraith, LICSWClinical Social Worker1700939626
  3. Ergon GjikaMental Health Counselor1538688957
  4. Kathleen Lantiegne, LCSWMental Health Counselor1396882098
  5. Amanda Levitan, LCSWClinical Social Worker1841716693
  6. Kathleen Mills, PHD, LICSWClinical Social Worker1285248849

Verify Rosaria Kozar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license LCSW228882
    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 Massachusetts 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.

9 clinical social worker records list a Lancaster practice address

They are 9 of the 98 NPPES records with a Lancaster practice address, and 16,942 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Massachusetts

  1. Andrew Aaron, LICSWNew Bedford, MA1053477885
  2. Cynthia AaronFall River, MA1407258676
  3. Karla Abad, LCSWLynn, MA1598577470
  4. Amy Abair, LICSWBoston, MA1972821858
  5. Nicole Abair, LCSWLexington, MA1386590859
  6. Stephanie Abate, LICSWAmherst, MA1669580973
  7. Lynn Abbey, LICSWFall River, MA1437189248
  8. Bernard Abbot, MSWBoston, MA1861913188
  9. Mark Abbott, MSW, LICSWEast Falmouth, MA1134461445
  10. Paul Abbott, LICSWNorthampton, MA1558302398

Common questions

What is Rosaria Kozar, MSW's NPI number?

Rosaria Kozar, MSW's National Provider Identifier (NPI) is 1801752282, issued on Dec 30, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Rosaria Kozar, MSW located?

The NPPES record lists a practice address at 971 Main St, Lancaster, MA, 01523. Phone: (978) 368-6461. Providers update this record themselves, so call before visiting.

How can I verify Rosaria Kozar, MSW's license?

NPPES lists Massachusetts license number LCSW228882, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.