NPPES file of Aug 9, 2026

Cynthia Anne Nielsen, MSW

Clinical Social Worker · New Haven, CT

Cynthia Anne Nielsen, MSW is a clinical social worker with a practice address in New Haven, Connecticut, and NPI 1790729507, issued on Jun 15, 2006. Check the license (Connecticut 002610, as entered in NPPES) with the Connecticut 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
1790729507
Name
Cynthia Anne Nielsen
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
002610 CT
Self-reported in NPPES; status is on the state search
Practice location
20 York St., New Haven, CT 06504
Phone
(203) 688-5495
Enumerated
Jun 15, 2006
Record last updated
Nov 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(203) 688-3596
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 20 York St.

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

  1. Steven Astafiev, MDStudent in an Organized Health Care Education/Training Program1649809807
  2. Matthew AustinHematology & Oncology Physician1730591397
  3. Tamanna Hossin, MDEmergency Medicine Physician1063041283
  4. Bridget Martell, M.D.,M.A.Addiction Medicine (Internal Medicine) Physician1891889010
  5. Anusha Sundararajan, M.D.Internal Medicine Physician1295198877
  6. Phillip Werman, CRNACertified Registered Nurse Anesthetist1467885707

Verify Cynthia Anne Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 002610
    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 Connecticut license search

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556 clinical social worker records list a practice address in New Haven

They are 556 of the 9,793 NPPES records with a practice address in New Haven, and 7,729 clinical social worker records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Connecticut

  1. Pirjo Aalto-Fischer, LCSWNew Haven, CT1225473655
  2. Lois Aaron, MSWWest Hartford, CT1447317185
  3. Lisa AaronbergDanielson, CT1740176510
  4. Ingrid AaronsNorwalk, CT1952119158
  5. Kori Abarzua, LCSWBristol, CT1891419578
  6. Jessica Abate, LCSWWest Simsbury, CT1467670596
  7. Laura Abbatemarco, M.S.W.West Hartford, CT1801067459
  8. Luciano Abbatemarco, LCSWHartford, CT1891096764
  9. Daisy Abbott, LCSWMiddletown, CT1831112424
  10. Khalilah AbdulrahimWoodbridge, CT1063087914

Common questions

What is Cynthia Anne Nielsen, MSW's NPI number?

Cynthia Anne Nielsen, MSW's National Provider Identifier (NPI) is 1790729507, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Anne Nielsen, MSW located?

The NPPES record lists a practice address at 20 York St., New Haven, CT, 06504. Phone: (203) 688-5495. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Anne Nielsen, MSW's license?

NPPES lists Connecticut license number 002610, as entered by the provider. Search the Connecticut 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.