Haley Anne Riordan, PHYSICIAN ASSISTANT
Physician Assistant · East Setauket, NY
Haley Anne Riordan, PHYSICIAN ASSISTANT is a physician assistant with a practice address in East Setauket, New York, and NPI 1366843781, issued on Sep 5, 2014. Check the license (New York 018106, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Haley Anne Riordan
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 018106 NY
Self-reported in NPPES; status is on the state search - Practice location
- 14 Technology Dr Ste 11, East Setauket, NY 11733
- Phone
- (631) 444-4233
- Enumerated
- Sep 5, 2014
- Record last updated
- Oct 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141124001342); 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 14 Technology Dr Ste 11
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Patterson, MDSports Medicine (Orthopaedic Surgery) Physician1710244512
- John Rongo, MS-PACPhysician Assistant1942311360
- Andrew Zhu, MDStudent in an Organized Health Care Education/Training Program1285337881
Verify Haley Anne Riordan 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 018106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average physician assistant in 2024
287 Medicare Part D claims for 109 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Diclofenac Sodium66 claims
- Celecoxib53 claims
- Meloxicam51 claims
- Amoxicillin18 claims
- Piroxicam15 claims
- Oxycodone Hcl13 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Haley Anne Riordan among 15,555 physician assistant records in New York
Haley Anne Riordan, PHYSICIAN ASSISTANT 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 2014, is newer than 37% of them.
- NPI issued2014 · 37% of these records are older, 60% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2014 · median 2018 among the 8,158 with a school on file
- Record last updated2014 · 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 Haley Anne Riordan, PHYSICIAN ASSISTANT's NPI number?
Haley Anne Riordan, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1366843781, issued on Sep 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Haley Anne Riordan, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 14 Technology Dr Ste 11, East Setauket, NY, 11733. Phone: (631) 444-4233. Providers update this record themselves, so call before visiting.
How can I verify Haley Anne Riordan, PHYSICIAN ASSISTANT's license?
NPPES lists New York license number 018106, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Haley Anne Riordan, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Haley Anne Riordan, PHYSICIAN ASSISTANT had 287 Medicare Part D claims for 109 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Haley Anne Riordan, PHYSICIAN ASSISTANT'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.