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

Dr. Terrence Jay O'Neil, MD

Individual provider Nephrology Physician · NPI 1790893071

Dr. Terrence Jay O'Neil, MD is a Nephrology Physician in Mountain Home, Tennessee. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

James Quillen VA Medical Center Sidney & Lamont St'S- Box 4000 - Mail Stop Code 11A
Mountain Home, TN 37684-4000
Phone: (423) 926-1171
Fax: (423) 979-3522
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X (IL)

Record details

NPI number1790893071
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 28, 2006
Last updated in NPPESSeptember 7, 2023