NPPES file of Aug 9, 2026

Jennifer Castelli, P.A.

Physician Assistant · East Setauket, NY

Jennifer Castelli, P.A. is a physician assistant with a practice address in East Setauket, New York, and NPI 1184665374, issued on Jun 9, 2006. Check the license (New York 010399, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184665374
Name
Jennifer Castelli
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
010399 NY
Self-reported in NPPES; status is on the state search
Practice location
14 Technology Dr, East Setauket, NY 11733
Phone
(631) 444-4233
Enumerated
Jun 9, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20060504001000); 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 14 Technology Dr

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

  1. James Barsi, M.D.Pediatric Orthopaedic Surgery Physician1376710178
  2. Brian Cruickshank, M.D.Sports Medicine (Family Medicine) Physician1255582458
  3. Arielle DemarcoPhysician Assistant1295290013
  4. Nicholas DivarisOrthopaedic Trauma Physician1023065380
  5. Kristen Esposito, P.A.Medical Physician Assistant1568891547
  6. Maya Fox-Ryvicker, P.A.Physician Assistant1497702666

Verify Jennifer Castelli 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 010399
    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
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88% fewer Medicare Part D claims than the average physician assistant in 2024

103 Medicare Part D claims for 47 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Jennifer Castelli103
  2. Specialty average830

Most prescribed

  1. Cyclobenzaprine Hcl23 claims
  2. Methylprednisolone22 claims
  3. Meloxicam13 claims

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.

The MIPS final score for 2023 (Medicare payment program): 98.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $56.00

3 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Castelli$56.00
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Stony Brook Orthopaedic Associates, University Faculty Practice CorporEast Setauket, NY

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

42 physician assistant records list a practice address in East Setauket

They are 42 of the 972 NPPES records with a practice address in East Setauket, and 15,555 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. Vincent Abanilla, PA-CBrooklyn, NY1366201808
  10. Marie Abate, PA-CValhalla, NY1285225524

Common questions

What is Jennifer Castelli, P.A.'s NPI number?

Jennifer Castelli, P.A.'s National Provider Identifier (NPI) is 1184665374, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Castelli, P.A. located?

The NPPES record lists a practice address at 14 Technology Dr, East Setauket, NY, 11733. Phone: (631) 444-4233. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Castelli, P.A.'s license?

NPPES lists New York license number 010399, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Castelli, P.A. prescribe under Medicare Part D?

In 2024, Jennifer Castelli, P.A. had 103 Medicare Part D claims for 47 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Jennifer Castelli, P.A.'s MIPS final score?

The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.