NPPES file of Aug 9, 2026

Karen Lenahan, LMHC

Mental Health Counselor · Boston, MA

Karen Lenahan, LMHC is a mental health counselor with a practice address in Boston, Massachusetts, and NPI 1689087827, issued on Jun 5, 2014. Check the license (Massachusetts LMHC12948, as entered in NPPES) with the Massachusetts 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
1689087827
Name
Karen Lenahan
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
LMHC12948 MA
Self-reported in NPPES; status is on the state search
Practice location
250 Washington St, Boston, MA 02108
Phone
(323) 205-7088
Enumerated
Jun 5, 2014
Record last updated
Jul 19, 2024
Fax
(833) 419-0181
Medicare enrollment
Enrolled (PECOS I20241120001151); accepts Medicare assignment
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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8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →

Also registered at 250 Washington St

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

  1. Max Alderman, MPHHealth Educator1962917518
  2. James Cremer, LICSWCounselor1386128114
  3. Helen Holly Hackman, M.D.Public Health & General Preventive Medicine Physician1871692624
  4. Matthew Horan, DMDDentist1447411079
  5. Catherine Marshall, RDHDental Hygienist1306040027
  6. Laura Pargas, RDHDental Hygienist1114290095

Verify Karen Lenahan 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 LMHC12948    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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Bills Medicare through one group practice

  1. Thrive Counseling LLCSalem, MA

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

Karen Lenahan among 18,415 mental health counselor records in Massachusetts

Karen Lenahan, LMHC is one of 18,415 mental health counselor records with a practice address in Massachusetts. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 39% of them.

  • NPI issued2014 · 39% of these records are older, 56% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated2014 · median 2014 among the 1,811 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

819 mental health counselor records list a practice address in Boston

They are 819 of the 41,865 NPPES records with a practice address in Boston, and 18,415 mental health counselor records in Massachusetts.

All 18,415 in Massachusetts → Every provider in Boston → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Andrew Brown, LMHCBoston, MA 021081467596957
  2. Emma BrownsteinBoston, MA 021081194552935
  3. Angenette BurnsBoston, MA 021081851989099
  4. Paul Doherty, LMHCBoston, MA 021081902933815
  5. Paul Ellis, M.A.Boston, MA 021081295183408
  6. Barbara Ferullo, LMHCBoston, MA 021081700904109
  7. Joelle Flynn, LMHCBoston, MA 021081841332749
  8. Sarah Johnson, LMHCBoston, MA 021081043819469

Common questions

What is Karen Lenahan, LMHC's NPI number?

Karen Lenahan, LMHC's National Provider Identifier (NPI) is 1689087827, issued on Jun 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lenahan, LMHC located?

The NPPES record lists a practice address at 250 Washington St, Boston, MA, 02108. Phone: (323) 205-7088. Providers update this record themselves, so call before visiting.

How can I verify Karen Lenahan, LMHC's license?

NPPES lists Massachusetts license number LMHC12948, 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. 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.