NPPES file of Aug 9, 2026

Louisa Scott Knowles, LMHC

Mental Health Counselor · Worcester, MA

Louisa Scott Knowles, LMHC is a mental health counselor with a practice address in Worcester, Massachusetts, and NPI 1215016035, issued on Nov 3, 2006. Check the license (Massachusetts 5434, 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
1215016035
Name
Louisa Scott Knowles
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
5434 MA
Self-reported in NPPES; status is on the state search
Practice location
338 Highland St, Worcester, MA 01602
Phone
(508) 752-5880
Enumerated
Nov 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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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8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →

Also registered at 338 Highland St

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

  1. Jennifer Barris, LICSWClinical Social Worker1851315873
  2. Kathryn BrewerClinical Social Worker1114498904
  3. Christopher Cimmino, MSWSocial Worker1972670578
  4. Douglas Counts, L.I.C.S.W.Clinical Social Worker1225164940
  5. Barry Feldman, PH. D.Clinical Social Worker1265655179
  6. Valerie FulginitiMental Health Counselor1669526323

Verify Louisa Scott Knowles 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 5434    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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Louisa Scott Knowles among 18,415 mental health counselor records in Massachusetts

Louisa Scott Knowles, 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 not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2007 · 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).

929 mental health counselor records list a practice address in Worcester

They are 929 of the 13,166 NPPES records with a practice address in Worcester, and 18,415 mental health counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 mental health counselor records with the nearest ZIP codes

  1. Courtney BaczkoWorcester, MA 016021285883462
  2. Steven Barry, M.AWorcester, MA 016021245496306
  3. John Casey, LICSWWorcester, MA 016021578722435
  4. Melissa DervishianWorcester, MA 016021194955278
  5. Kara Ford, MAWorcester, MA 016021003065210
  6. Valerie FulginitiWorcester, MA 016021669526323
  7. Mary Johnson, M.A.Worcester, MA 016021164516175
  8. Kathy Lanning, LMHCWorcester, MA 016021679752133

Common questions

What is Louisa Scott Knowles, LMHC's NPI number?

Louisa Scott Knowles, LMHC's National Provider Identifier (NPI) is 1215016035, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louisa Scott Knowles, LMHC located?

The NPPES record lists a practice address at 338 Highland St, Worcester, MA, 01602. Phone: (508) 752-5880. Providers update this record themselves, so call before visiting.

How can I verify Louisa Scott Knowles, LMHC's license?

NPPES lists Massachusetts license number 5434, 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.

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.