NPPES file of Aug 9, 2026

Amanda Chase Duffy, L.I.C.S.W.

Clinical Social Worker · Somerville, MA

Amanda Chase Duffy, L.I.C.S.W. is a clinical social worker with a practice address in Somerville, Massachusetts, and NPI 1972738417, issued on May 28, 2009. Check the license (Massachusetts 1022293, 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
1972738417
Name
Amanda Chase Duffy
Credential
L.I.C.S.W.
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
1022293 MA
Self-reported in NPPES; status is on the state search
Practice location
403 Highland Ave, Somerville, MA 02144
Phone
(617) 666-5800
Enumerated
May 28, 2009
Record last updated
May 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(617) 666-5832
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 403 Highland Ave

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

  1. Katherine Badertscher, LMHCMental Health Counselor1457685323
  2. Julie Catalano, LICSWSocial Worker1700958170
  3. John Cusack, PH.D.Counseling Psychologist1043373129
  4. Polly MerckClinical Psychologist1770065476
  5. Robert Sills, PH.D., LICSWClinical Social Worker1740305465

Verify Amanda Chase Duffy 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 1022293
    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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Amanda Chase Duffy among 17,815 clinical social worker records in Massachusetts

Amanda Chase Duffy, L.I.C.S.W. 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 2009, is newer than 34% of them.

  • NPI issued2009 · 34% of these records are older, 62% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 17% of these records are
  • Record last updated2009 · 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).

232 clinical social worker records list a practice address in Somerville

They are 232 of the 1,860 NPPES records with a practice address in Somerville, 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. Robert Amos, LICSWSomerville, MA 021441619030897
  2. Phillis Brown, LICSWSomerville, MA 021441053397372
  3. Paul Cuneo, LICSWSomerville, MA 021441821043530
  4. Myra Durkin, LICSWSomerville, MA 021441083787956
  5. Amy Hadley, LICSWSomerville, MA 021441174675284
  6. Edward Helm, LICSWSomerville, MA 021441609939131
  7. Peter Johnson, LICSWSomerville, MA 021441609939966
  8. Linda Krupp, MSW,LICSWSomerville, MA 021441447310867

Common questions

What is Amanda Chase Duffy, L.I.C.S.W.'s NPI number?

Amanda Chase Duffy, L.I.C.S.W.'s National Provider Identifier (NPI) is 1972738417, issued on May 28, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Amanda Chase Duffy, L.I.C.S.W. located?

The NPPES record lists a practice address at 403 Highland Ave, Somerville, MA, 02144. Phone: (617) 666-5800. Providers update this record themselves, so call before visiting.

How can I verify Amanda Chase Duffy, L.I.C.S.W.'s license?

NPPES lists Massachusetts license number 1022293, 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.