Doctor profile · Federal record

Dr. Haley Riordan, Physician Assistant

Physician Assistant · East Setauket, NY

  • NPI 1366843781
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 Technology Dr Ste 11
East Setauket, NY 117333464
(631) 444-4233

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
October 22, 2014
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #018106

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366843781. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
96
Distinct HCPCS
4
Medicare allowed
$13,032
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 43 39 $91
27130 Replacement of thigh bone and hip joint with prosthesis 25 25 $221
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $168
20610 Aspiration and/or injection of fluid from large joint 12 12 $76

In context: peer comparison

Among 11 peers in East Setauket Physician Assistant, average services per provider: 150. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
326
Patients
160
Total drug cost
$5,109
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 67 16 $1,570
Celecoxib Generic 58 21 $1,765
Oxycodone Hcl Generic 44 29 $293
Meloxicam Generic 43 24 $201
Amoxicillin Generic 41 25 $132
Tramadol Hcl Generic 24 21 $99
Piroxicam Generic 20 11 $632
Baclofen Generic 16 13 $190
Ibuprofen Generic 13 0 $226

Frequently asked questions

Auto-generated from federal data
What is Dr. Haley Riordan's medical specialty?
Dr. Haley Riordan practices Physician Assistant in East Setauket, NY.
Where does Dr. Haley Riordan practice?
Dr. Haley Riordan practices at 14 Technology Dr Ste 11, East Setauket, NY 117333464. Office phone: 6314444233.
What is Dr. Haley Riordan's NPI?
Dr. Haley Riordan's National Provider Identifier (NPI) is 1366843781, issued by NPPES.
Does Dr. Haley Riordan accept Medicare assignment?
Yes. Dr. Haley Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Haley Riordan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Replacement of thigh bone and hip joint with prosthesis (HCPCS 27130); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.