Kay D. Horan
Physician Assistant · Stony Brook, NY
Kay D. Horan is a physician assistant with a practice address in Stony Brook, New York, and NPI 1598443079, issued on Jul 6, 2023. Check the license (New York 030716, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kay D. Horan
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 030716 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Nicolls Road, Stony Brook, NY 11794
- Phone
- (631) 444-0650
- Enumerated
- Jul 6, 2023
- Record last updated
- Sep 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20231031002283); 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 100 Nicolls Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sebastian Galofaro, NPFamily Nurse Practitioner1093467094
- Youjun Hu, MDAnatomic Pathology & Clinical Pathology Physician1427164698
- Dorothy Lane, M.D.Public Health & General Preventive Medicine Physician1235351164
Verify Kay D. Horan 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 030716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
12 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- New York Spine And Brain Surgery, University Faculty Practice CorporatStony Brook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kay D. Horan among 15,555 physician assistant records in New York
Kay D. Horan 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 2023, is newer than 77% of them.
- NPI issued2023 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2023 · median 2018 among the 8,158 with a school on file
- Record last updated2023 · 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).
128 physician assistant records list a practice address in Stony Brook
They are 128 of the 3,053 NPPES records with a practice address in Stony Brook, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Stony Brook → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert Ansbach, R.P.A.-CStony Brook, NY 117941326041260
- Ricardo Aranguren, P.A.Stony Brook, NY 117941154357879
- Bryan Bobrowsky, P.A.Stony Brook, NY 117941720017031
- Colleen Calandra, P.A.Stony Brook, NY 117941215990593
- Scott CarterStony Brook, NY 117941730279779
- Dennis Duffy, P.A.Stony Brook, NY 117941932136447
- Karen Dybus, RPAStony Brook, NY 117941255334363
- Scott Marchini, P.A.Stony Brook, NY 117941255369401
Common questions
What is Kay D. Horan's NPI number?
Kay D. Horan's National Provider Identifier (NPI) is 1598443079, issued on Jul 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Kay D. Horan located?
The NPPES record lists a practice address at 100 Nicolls Road, Stony Brook, NY, 11794. Phone: (631) 444-0650. Providers update this record themselves, so call before visiting.
How can I verify Kay D. Horan's license?
NPPES lists New York license number 030716, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Kay D. Horan prescribe under Medicare Part D?
In 2024, Kay D. Horan had 12 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.