Physician Profile
Unclaimed ProfileAbout O'NEILL
James Kennedy O'Neill, M.D. is a healthcare provider in Houston, TX specializing in interventional cardiology. James trained at Baylor College of Medicine, graduating in 2011. James is also listed as specializing in internal medicine and cardiovascular disease. According to Medicare claims data, James cared for 2,352 Medicare patients across 3,155 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (713) 465-3535
- Email not available
Practice Locations
925 GESSNER RD STE 630
Houston, TX 77024
Procedures Most Often Billed to Medicare
3,155 services · 2,352 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
33 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
613 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
175 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
153 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
127 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
38 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
34 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
34 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
33 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
31 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other interventional cardiology specialists in Houston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Dr. O'Neill's specialty?
Dr. O'Neill is an interventional cardiology in Houston, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL CARDIOLOGY”.
NPI registry
Where can I find Dr. O'Neill?
Dr. O'Neill is listed at 925 GESSNER RD STE 630, Houston, TX 77024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Neill?
The number on file is (713) 465-3535. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Neill's NPI number?
Dr. O'Neill's National Provider Identifier is 1770878670. 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
What is Dr. O'Neill's medical education?
Dr. O'Neill attended Baylor College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Neill been practicing?
Dr. O'Neill has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Neill known for?
According to Medicare billing data, Dr. O'Neill performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Neill confirmed this information?
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.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.