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

Dr. Thomas Joseph O'Neill Jr., MD

Individual provider Diagnostic Radiology Physician · NPI 1861696858

Dr. Thomas Joseph O'Neill Jr., MD is a Diagnostic Radiology Physician in Dallas, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
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 Address checks out

4500 S Lancaster Rd
Dallas, TX 75216-7167
Phone: (214) 857-4164
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence N1804 (TX)

Record details

NPI number1861696858
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2007
Last updated in NPPESJuly 21, 2022
Certification dateJuly 21, 2022

Other providers in Dallas