Doctor profile · Federal record

Dr. Terence O'Neill, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Lexington, KY

  • NPI 1275560666
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University of Kentucky General Internal MED, 830 S. Limestone
Lexington, KY 405360001
(859) 257-1000

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 10, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Kentucky #27683
Medicaid
KY #64276835

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275560666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
260
Distinct HCPCS
3
Medicare allowed
$23,454
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 130 72 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 77 47 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 53 53 $122

In context: peer comparison

Among 73 peers in Lexington Internal Medicine Physician, average services per provider: 117. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,216
Patients
317
Total drug cost
$16,238
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 225 62 $3,306
Lisinopril Generic 116 36 $883
Gabapentin Generic 107 22 $1,541
Amlodipine Besylate Generic 106 30 $903
Levothyroxine Sodium Generic 97 29 $1,280
Rosuvastatin Calcium Generic 77 24 $1,673
Sertraline Hcl Generic 76 14 $593
Metoprolol Succinate Generic 75 20 $1,715
Tamsulosin Hcl Generic 75 20 $1,991
Omeprazole Generic 69 20 $895

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Terence O'Neill's medical specialty?
Dr. Terence O'Neill practices Internal Medicine Physician in Lexington, KY.
Where does Dr. Terence O'Neill practice?
Dr. Terence O'Neill practices at University of Kentucky General Internal MED, Lexington, KY 405360001. Office phone: 8592571000.
What is Dr. Terence O'Neill's NPI?
Dr. Terence O'Neill's National Provider Identifier (NPI) is 1275560666, issued by NPPES.
Does Dr. Terence O'Neill accept Medicare assignment?
Yes. Dr. Terence O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terence O'Neill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.