Kimberly McCosker, PA-C
Physician Assistant · East Setauket, NY
Kimberly McCosker, PA-C is a physician assistant with a practice address in East Setauket, New York, and NPI 1144861345, issued on Sep 30, 2019. Check the license (New York 024372, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kimberly McCosker
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 024372 NY
009663 NY
Self-reported in NPPES; status is on the state search - Practice location
- 37 Research Way, East Setauket, NY 11733
- Phone
- (631) 444-4121
- Enumerated
- Sep 30, 2019
- Record last updated
- Jan 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200218003080); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 37 Research Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Martyn Burk, M.D.Surgical Oncology Physician1629097001
- Amy Canterella, MS, RDN, CDNRegistered Dietitian1629476346
- Julie Cherian, M.D.Pediatric Rheumatology Physician1285891556
Verify Kimberly McCosker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 024372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average physician assistant in 2024
637 Medicare Part D claims for 240 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide96 claims
- Ketoconazole78 claims
- Mupirocin72 claims
- Clobetasol Propionate63 claims
- Hydrocortisone47 claims
- Doxycycline Hyclate30 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,959.80
124 payments; by number, the most common kind was food and beverage; the largest payer was Arcutis Biotherapeutics, 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.
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
- Schweiger Dermatology PLLCPatchogue, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kimberly McCosker among 15,555 physician assistant records in New York
Kimberly McCosker, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2019 · median 2018 among the 8,158 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.
All 15,555 in New York → Every provider in East Setauket → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer Castelli, P.A.East Setauket, NY 117331184665374
- Maya Fox-Ryvicker, P.A.East Setauket, NY 117331497702666
- Caryle Francis, P.A.East Setauket, NY 117331154654499
- Grace Grandville, P.A.E Setauket, NY 117331033382098
- Thitima Herfel, PAEast Setauket, NY 117331265573919
- Christina Hull, PAEast Setauket, NY 117331598862211
- Maria Juvan, P.A.E Setauket, NY 117331972544260
- Christopher Koch, PAEast Setauket, NY 117331780858951
Common questions
What is Kimberly McCosker, PA-C's NPI number?
Kimberly McCosker, PA-C's National Provider Identifier (NPI) is 1144861345, issued on Sep 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kimberly McCosker, PA-C located?
The NPPES record lists a practice address at 37 Research Way, East Setauket, NY, 11733. Phone: (631) 444-4121. Providers update this record themselves, so call before visiting.
How can I verify Kimberly McCosker, PA-C's license?
NPPES lists New York license number 024372, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Kimberly McCosker, PA-C prescribe under Medicare Part D?
In 2024, Kimberly McCosker, PA-C had 637 Medicare Part D claims for 240 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kimberly McCosker, PA-C's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.