NPPES file of Aug 9, 2026

Janine B. Sadowski, LCSW

Clinical Social Worker · Hicksville, NY

Janine B. Sadowski, LCSW is a clinical social worker with a practice address in Hicksville, New York, and NPI 1962428540, issued on Jul 15, 2006. Check the license (New York 070907-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962428540
Name
Janine B. Sadowski
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
070907-1 NY
Self-reported in NPPES; status is on the state search
Practice location
950 S Oyster Bay RD, Hicksville, NY 11801
Phone
(518) 822-4060
Enumerated
Jul 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110524000181); accepts Medicare assignment
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 950 S Oyster Bay RD

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

  1. Amani AbdullahCase Manager/Care Coordinator1639812274
  2. Crystal AddisonMental Health Counselor1699550319
  3. Eugenia AddyCounselor1326990425
  4. Alexandra Adrien, MSWSocial Worker1427838804
  5. Olufunmilayo AgboolaCounselor1023997319
  6. Nicolette AgostinacchioMental Health Counselor1902518509

Verify Janine B. Sadowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 070907-1
    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 New York 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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Bills Medicare through one group practice

  1. Valera Medical PCBrooklyn, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Janine B. Sadowski among 29,293 clinical social worker records in New York

Janine B. Sadowski, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 83% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated1998 · median 2001 among the 5,004 with a school on file
  • Record last updated2007 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 clinical social worker records list a practice address in Hicksville

They are 89 of the 1,444 NPPES records with a practice address in Hicksville, and 29,293 clinical social worker records in New York.

The 8 clinical social worker records with the nearest ZIP codes

  1. Lorraine Cohen, LCSWHicksville, NY 118011205851466
  2. Kathleen Dawson, LCSWHicksville, NY 118011518909498
  3. Darlene Defeo, LCSW, CASACHicksville, NY 118011760413850
  4. Leeann Diedrick, LCSWHicksville, NY 118011063451599
  5. Cindy Floyd, LCSWHicksville, NY 118011114957487
  6. Lisa Kessler, LCSWHicksville, NY 118011801821285
  7. Lydia Mechanick, LCSWHicksville, NY 118011396783312
  8. Martin Merget, LCSWHicksville, NY 118011912948043

Common questions

What is Janine B. Sadowski, LCSW's NPI number?

Janine B. Sadowski, LCSW's National Provider Identifier (NPI) is 1962428540, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janine B. Sadowski, LCSW located?

The NPPES record lists a practice address at 950 S Oyster Bay RD, Hicksville, NY, 11801. Phone: (518) 822-4060. Providers update this record themselves, so call before visiting.

How can I verify Janine B. Sadowski, LCSW's license?

NPPES lists New York license number 070907-1, as entered by the provider. Search the New York 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. Medicare files from data.cms.gov. 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.