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

Dr. Thomas J O'Neill IV, MD

Individual provider Internal Medicine Physician · NPI 1639373327

Dr. Thomas J O'Neill IV, MD is an Advanced Heart Failure and Transplant Cardiology in Chapel Hill, North Carolina. Graduated from University of Virginia School of Medicine in 2007, 19 years ago. Practices with University Hospitals Medical Group Inc, a 2,242-clinician group, accepts Medicare assignment and offers telehealth. Licensed in North Carolina.

Years since qualifying
19
Trained at
University of Virginia School of Medicine
Licensed in
NC
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3100 Acc Bldg Unc CH 102 Mason Farm Road CB#7705
Chapel Hill, NC 27599-7705
Phone: (919) 966-6989
Fax: (919) 843-9355
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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 141369 (NC)

Record details

NPI number1639373327
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2007
Last updated in NPPESJuly 30, 2013

Medicare enrollment

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

Medicare specialtyADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice University Hospitals Medical Group Inc — 2242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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