NPPES file of Aug 9, 2026

Karyn Rebecca Simchayof

Medical Physician Assistant · Central Islip, NY

Karyn Rebecca Simchayof is a medical physician assistant with a practice address in Central Islip, New York, and NPI 1760246995, issued on Feb 8, 2024. Check the license 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760246995
Name
Karyn Rebecca Simchayof
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
225 Eastview Dr, Central Islip, NY 11722
Phone
(631) 665-1600
Enumerated
Feb 8, 2024
Record last updated
Feb 8, 2024
Medicare enrollment
Enrolled (PECOS I20240611003895); may accept 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 225 Eastview Dr

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

  1. Gabriella AaronPhysician Assistant1790605376
  2. Nicole BarrettPhysician Assistant1104744366
  3. Mona Bascetta, PAPhysician Assistant1548112717
  4. Cheryl Blaivas, PAPhysician Assistant1437817319
  5. Angelinna BradfieldPhysician Assistant1629920707
  6. Shannon Camuso, PA-CPhysician Assistant1003766221

Verify Karyn Rebecca Simchayof in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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98% fewer Medicare Part D claims than the average medical physician assistant in 2024

21 Medicare Part D claims for 17 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karyn Simchayof21
  2. Specialty average1,148

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 affiliation

  1. Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Karyn Rebecca Simchayof among 3,670 medical physician assistant records in New York

Karyn Rebecca Simchayof is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 93% of them.

  • NPI issued2024 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2024 · median 2014 among the 1,802 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in New York

There are 3,670 medical physician assistant records in New York.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Jennifer Robinson, PHYSICIAN ASSISTANTSouth Setauket, NY 117201376885301
  2. Samantha Beil, PACommack, NY 117251659396059
  3. Rebecca Claudio-Morales, RPA-CCommack, NY 117251457645327
  4. Lauren Cullen, PA-CCommack, NY 117251700663911
  5. Christina LabarberaCommack, NY 117251831876341
  6. Michelle Adams, P.ABrentwood, NY 117171790957165
  7. Richard Bennett, RPA-CCoram, NY 117271669777009
  8. Antoinette Gandionco-Sabatino, PABrentwood, NY 117171720245566

Common questions

What is Karyn Rebecca Simchayof's NPI number?

Karyn Rebecca Simchayof's National Provider Identifier (NPI) is 1760246995, issued on Feb 8, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Karyn Rebecca Simchayof located?

The NPPES record lists a practice address at 225 Eastview Dr, Central Islip, NY, 11722. Phone: (631) 665-1600. Providers update this record themselves, so call before visiting.

How can I verify Karyn Rebecca Simchayof's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Karyn Rebecca Simchayof prescribe under Medicare Part D?

In 2024, Karyn Rebecca Simchayof had 21 Medicare Part D claims for 17 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions 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.