Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Terence W O'Neill, MD

Individual provider Internal Medicine Physician · NPI 1275560666

Terence W O'Neill, MD is an Internal Medicine in Lexington, Kentucky. Graduated from University of Kentucky College of Medicine in 1989, 37 years ago. Practices with Kentucky Medical Services Foundation, Inc, a 952-clinician group and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
37
Trained at
University of Kentucky College of Medicine
Licensed in
KY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

University Of Kentucky General Internal Med 830 S Limestone
Lexington, KY 40536-0001
Phone: (859) 257-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 27683 (KY)

Record details

NPI number1275560666
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESJanuary 10, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Kentucky Medical Services Foundation, Inc — 952 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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