NPPES file of Aug 9, 2026

Natalie Perron Nielsen, LCSW

Clinical Social Worker · Norwalk, CT

Natalie Perron Nielsen, LCSW is a clinical social worker with a practice address in Norwalk, Connecticut, and NPI 1790337756, issued on Jul 10, 2019. Check the license (Connecticut 010378, 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
1790337756
Name
Natalie Perron Nielsen
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
010378 CT
Self-reported in NPPES; status is on the state search
Practice location
10 Mott Ave Ste 3A, Norwalk, CT 06850
Phone
(888) 355-3255
Enumerated
Jul 10, 2019
Record last updated
Jul 10, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(866) 220-8701
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 10 Mott Ave Ste 3A

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

  1. Alicia DesantiSpecialist1861026015
  2. Leah Giacomoni, BCBABehavior Analyst1588291116
  3. Jessica Richards, LCSWClinical Social Worker1740790062

Verify Natalie Perron 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 010378
    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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182 clinical social worker records list a practice address in Norwalk

They are 182 of the 1,993 NPPES records with a practice address in Norwalk, 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 Natalie Perron Nielsen, LCSW's NPI number?

Natalie Perron Nielsen, LCSW's National Provider Identifier (NPI) is 1790337756, issued on Jul 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Perron Nielsen, LCSW located?

The NPPES record lists a practice address at 10 Mott Ave Ste 3A, Norwalk, CT, 06850. Phone: (888) 355-3255. Providers update this record themselves, so call before visiting.

How can I verify Natalie Perron Nielsen, LCSW's license?

NPPES lists Connecticut license number 010378, 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.