NPPES file of Aug 9, 2026

Constance W. Leslie, LICSW

Clinical Social Worker · Northampton, MA

Constance W. Leslie, LICSW is a clinical social worker with a practice address in Northampton, Massachusetts, and NPI 1316003460, issued on Dec 30, 2006. Check the license (Massachusetts 1018753, 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
1316003460
Name
Constance W. Leslie
Credential
LICSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
1018753 MA
Self-reported in NPPES; status is on the state search
Practice location
16 Armory St, Northampton, MA 01060
Phone
(413) 582-6922
Enumerated
Dec 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(413) 585-0525
Medicare enrollment
Enrolled (PECOS I20051021000604); 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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Also registered at 16 Armory St

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

  1. Andrew Bourke, PH.D.Psychologist1265486153
  2. Edward Emery, PHDPsychoanalyst1235543554
  3. Marian Macdonald, PH.D.Clinical Psychologist1235328170
  4. Margaret Sommeling, LIC. AC.Acupuncturist1063680460

Verify Constance W. Leslie 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 1018753
    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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Constance W. Leslie among 17,815 clinical social worker records in Massachusetts

Constance W. Leslie, LICSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% 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, 85% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated1988 · median 2004 among the 3,059 with a school on file
  • Record last updated2007 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

366 clinical social worker records list a practice address in Northampton

They are 366 of the 1,816 NPPES records with a practice address in Northampton, and 17,815 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Seth Dunn, MSW LICSWNorthampton, MA 010601285687590
  2. Phyllis Eckstein, MSW-LICSWNorthampton, MA 010601154305415
  3. Phoebe Fiddler, LICSWNorthampton, MA 010601366432072
  4. Melysa Friedman, MSW, LICSWNorthampton, MA 010601952350217
  5. Jaime Gershman, LICSWNorthampton, MA 010601659324945
  6. Heidi Haas, LICSWNorthampton, MA 010601013904929
  7. Susan Karas, L.I.C.S.W.Northampton, MA 010601023055886
  8. Jill Marland, LICSW MSWNorthampton, MA 010601104812205

Common questions

What is Constance W. Leslie, LICSW's NPI number?

Constance W. Leslie, LICSW's National Provider Identifier (NPI) is 1316003460, issued on Dec 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Constance W. Leslie, LICSW located?

The NPPES record lists a practice address at 16 Armory St, Northampton, MA, 01060. Phone: (413) 582-6922. Providers update this record themselves, so call before visiting.

How can I verify Constance W. Leslie, LICSW's license?

NPPES lists Massachusetts license number 1018753, 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.