Physician Profile
Unclaimed ProfileAbout O'NEILL
Thomas J O'Neill, MD is a healthcare provider in Chapel Hill, NC specialising in advanced heart failure and transplant cardiology. Thomas trained at University of Virginia School of Medicine, graduating in 2007. Thomas is also listed as specialising in internal medicine. Medicare claims data shows Thomas provided 537 services to 298 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. O'Neill?
Dr. O'Neill is an advanced heart failure and transplant cardiology in Chapel Hill, NC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY”.
NPI registry
What is Dr. O'Neill's address?
Dr. O'Neill is listed at 3100 ACC BUILDING, UNC CH 102 MASON FARM ROAD, CB#7705, Chapel Hill, NC 27599. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. O'Neill?
The number on file is (919) 966-6989. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. O'Neill?
Dr. O'Neill's National Provider Identifier is 1639373327. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. O'Neill train?
Dr. O'Neill attended University of Virginia School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. O'Neill have?
Dr. O'Neill has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Neill perform?
According to Medicare billing data, Dr. O'Neill the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. O'Neill's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Neill. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (919) 966-6989
- Email not available
Practice Locations
3100 ACC BUILDING, UNC CH 102 MASON FARM ROAD, CB#7705
Chapel Hill, NC 27599
Procedures Most Often Billed to Medicare
537 services · 298 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
125 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
104 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
100 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
62 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
57 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
33 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
20 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
19 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other advanced heart failure and transplant cardiology specialists in Chapel Hill 5
Same specialty, same city.
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2007 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.