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Edit this profileWhere to find James K. O'Neill, M.D.
- Houston location main office
925 Gessner Rd Ste 630, Houston, TX 77024 - Houston location
6720 Bertner Ave # Mc1-133, Houston, TX 77030
About Dr. O'neill
James K. 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. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and 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'. This provider record is associated with NPI 1770878670.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 465-3535
- Email not available
Practice Locations
925 GESSNER RD STE 630
Houston, TX 77024
6720 Bertner Ave # Mc1-133
Houston, TX 77030
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
Vein procedures
Procedures Most Often Billed to Medicare
3,155 services · 2,352 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
33 | Less often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
613 | More often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
175 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
153 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
127 | As often as other peers in Interventional Cardiology |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
38 | Less often than most peers in Interventional Cardiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
34 | Less often than most peers in Interventional Cardiology |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
34 | Less often than most peers in Interventional Cardiology |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
33 | As often as other peers in Interventional Cardiology |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
31 | As often as other peers in Interventional Cardiology |
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.
Other interventional cardiologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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.
More connections — 32 related providers in 4 groups
Other interventional cardiologists in Houston 8
Same specialty, same city.
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 James K. O'Neill's specialty?
James K. O'Neill is an interventional cardiologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where can I find James K. O'Neill?
James K. 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 James K. O'Neill?
The number on file is (713) 465-3535. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James K. O'Neill's NPI number?
James K. 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 James K. O'Neill's education?
James K. O'Neill attended Baylor College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has James K. O'Neill been practicing?
James K. 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 James K. O'Neill known for?
According to Medicare billing data, James K. 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 James K. O'Neill confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James K. O'Neill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.