Doctor profile · Federal record

Dr. Nicholas Irwin, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Lexington, KY

  • NPI 1952694671
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University of Kentucky, 800 Rose Street, Room M53
Lexington, KY 405360298
(859) 323-5083
fax (859) 323-8056
Mailing address
800 Rose St Rm M53, University of Kentucky
Lexington, KY 405360298

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
July 3, 2014
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Kentucky #47357

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952694671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
647
Distinct HCPCS
4
Medicare allowed
$102,857
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 409 405 $175
99284 Emergency department visit with moderate level of medical decision making 171 170 $120
99291 Critical care, first 30-74 minutes 46 46 $205
99283 Emergency department visit with low level of medical decision making 21 20 $72

In context: peer comparison

Among 71 peers in Lexington Emergency Medicine Physician, average services per provider: 99. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
68
Total drug cost
$415
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 29 $105
Ondansetron Odt (Ondansetron) Brand 15 15 $121
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 13 13 $48
Cephalexin Generic 11 11 $94
Pantoprazole Sodium Generic 11 0 $47

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Irwin's medical specialty?
Dr. Nicholas Irwin practices Emergency Medicine Physician in Lexington, KY.
Where does Dr. Nicholas Irwin practice?
Dr. Nicholas Irwin practices at University of Kentucky, Lexington, KY 405360298. Office phone: 8593235083.
What is Dr. Nicholas Irwin's NPI?
Dr. Nicholas Irwin's National Provider Identifier (NPI) is 1952694671, issued by NPPES.
Does Dr. Nicholas Irwin accept Medicare assignment?
Yes. Dr. Nicholas Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Irwin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.