Registry data as of Aug 27, 2026

Vanessa Kleszczewski, PA

Physician Assistant · West Islip, NY

Vanessa Kleszczewski, PA is a physician assistant with a practice address in West Islip, New York, and NPI 1922835537, issued on Sep 17, 2024. Check the license (New York 032608, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922835537
Name
Vanessa Kleszczewski
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
032608 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 Montauk Hwy, West Islip, NY 11795
Phone
(631) 376-3000
Enumerated
Sep 17, 2024
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 1000 Montauk Hwy

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

  1. Rashad Abdallah, DOStudent in an Organized Health Care Education/Training Program1356194070
  2. Almothana Aburumman, MDStudent in an Organized Health Care Education/Training Program1669267506
  3. Hakeem Afuwape, DODiagnostic Radiology Physician1326292806
  4. Samantha Ahearn, PA-CPhysician Assistant1952279572
  5. Michele Ahlers, NURSE PRACTITIONERAdult Health Nurse Practitioner1063037869
  6. Fahim Ahmed, D.O.Emergency Medicine Physician1619904372

Verify Vanessa Kleszczewski 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 032608
    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.

97% fewer Medicare Part D claims than the average physician assistant in 2024

21 Medicare Part D claims for 15 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Vanessa Kleszczewski21
  2. Specialty average832

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

105 physician assistant records list a West Islip practice address

They are 105 of the 1,107 NPPES records with a West Islip practice address, and 15,097 physician assistant records in New York.

Other physician assistant records in New York

  1. Brynn Aakjar, P.A.Yonkers, NY1447592456
  2. Andrea Aaron, PABronx, NY1427103555
  3. Gabriella AaronCentral Islip, NY1790605376
  4. Danielle AaronsSmithtown, NY1881207520
  5. John AbadeerBrooklyn, NY1801434949
  6. Zenebou Abalo-Toga, PANew York, NY1124556154
  7. Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
  8. Clarisse AbanillaNew York, NY1598445579
  9. Marie Abate, PA-CValhalla, NY1285225524
  10. Jonathan Abayev, RPA-CFlushing, NY1952580102

Common questions

What is Vanessa Kleszczewski, PA's NPI number?

Vanessa Kleszczewski, PA's National Provider Identifier (NPI) is 1922835537, issued on Sep 17, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Vanessa Kleszczewski, PA located?

The NPPES record lists a practice address at 1000 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 376-3000. Providers update this record themselves, so call before visiting.

How can I verify Vanessa Kleszczewski, PA's license?

NPPES lists New York license number 032608, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Vanessa Kleszczewski, PA prescribe under Medicare Part D?

In 2024, Vanessa Kleszczewski, PA had 21 Medicare Part D claims for 15 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.