NPPES file of Aug 9, 2026

Karen Anne Mahon, MSW LICSW

Clinical Social Worker · Tyngsboro, MA

Karen Anne Mahon, MSW LICSW is a clinical social worker with a practice address in Tyngsboro, Massachusetts, and NPI 1306865993, issued on Jul 18, 2006. Check the license (Massachusetts 115344, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306865993
Name
Karen Anne Mahon
Credential
MSW LICSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
115344 MA
Self-reported in NPPES; status is on the state search
Practice location
7 Jasper LN, Tyngsboro, MA 01879
Phone
(978) 270-7698
Enumerated
Jul 18, 2006
Record last updated
Oct 6, 2019 (not updated in 7 years: call before relying on the address or phone)
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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Verify Karen Anne Mahon 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 115344
    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.

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10 clinical social worker records list a practice address in Tyngsboro

They are 10 of the 80 NPPES records with a practice address in Tyngsboro, and 17,815 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. Emanuel Aaron, LICSW,LADCI, CADCII,Orange, MA1134475817
  4. Karla Abad, LCSWLynn, MA1598577470
  5. Amy Abair, LICSWBoston, MA1972821858
  6. Nicole Abair, LCSWLexington, MA1386590859
  7. Stephanie Abate, LICSWAmherst, MA1669580973
  8. Lynn Abbey, LICSWFall River, MA1437189248
  9. Bernard Abbot, MSWBoston, MA1861913188
  10. Amanda Abbott, CNM, LCSWCambridge, MA1821358284

Common questions

What is Karen Anne Mahon, MSW LICSW's NPI number?

Karen Anne Mahon, MSW LICSW's National Provider Identifier (NPI) is 1306865993, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Anne Mahon, MSW LICSW located?

The NPPES record lists a practice address at 7 Jasper LN, Tyngsboro, MA, 01879. Phone: (978) 270-7698. Providers update this record themselves, so call before visiting.

How can I verify Karen Anne Mahon, MSW LICSW's license?

NPPES lists Massachusetts license number 115344, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.