Ilona Szewczyk
Behavior Analyst · Passaic, NJ
Ilona Szewczyk is a behavior analyst with a practice address in Passaic, New Jersey, and NPI 1356933469, issued on Feb 9, 2021. Check the license with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ilona Szewczyk
- Primary taxonomy
- Behavior Analyst 103K00000X
- Practice location
- 329 Aycrigg Ave, Passaic, NJ 07055
- Phone
- (973) 471-3046
- Enumerated
- Feb 9, 2021
- Entity
- Type 1 · individual
Also registered at 329 Aycrigg Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Veronica Distasi, M.A., BCBABehavior Analyst1215702477
- Jacqueline Duarte Nova, BCBABehavior Analyst1366119554
- Lila Elhalawany, MA, BCBABehavior Analyst1871101881
- Melissa Feeley, BCBABehavior Analyst1568071900
Verify Ilona Szewczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
35 behavior analyst records list a Passaic practice address
They are 35 of the 665 NPPES records with a Passaic practice address, and 3,656 behavior analyst records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 35 in Passaic → All 3,656 in New Jersey → Every provider in Passaic →
Other behavior analyst records in New Jersey
- Christina Abadir, BCBATinton Falls, NJ1457903247
- Suzann AbadyJackson, NJ1366333627
- Olivia AbateCherry Hill, NJ1902766090
- Colleen AbdRed Bank, NJ1730734260
- Assunta AbdelazizClifton, NJ1669212460
- Mona Abdelghany, MA, BCBA, LBAPassaic, NJ1720682842
- Dina AbdelmassihWoodcliff Lake, NJ1295605467
- Abdul Rasheed Abdul SalamElmwood Park, NJ1356204994
- David AbdurachmanovLakewood, NJ1558166355
- Julia AbelmanJersey City, NJ1639053358
Common questions
What is Ilona Szewczyk's NPI number?
Ilona Szewczyk's National Provider Identifier (NPI) is 1356933469, issued on Feb 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ilona Szewczyk located?
The NPPES record lists a practice address at 329 Aycrigg Ave, Passaic, NJ, 07055. Phone: (973) 471-3046. Providers update this record themselves, so call before visiting.
How can I verify Ilona Szewczyk's license?
Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.