Are you John C. Isaac, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 6560 Fannin St, Ste 620, Houston, TX 77030
About Dr. Isaac
Based in Houston, TX, John C. Isaac, M.D. is listed in the NPI registry under cardiovascular disease (cardiology). John graduated from University of Texas Southwestern Medical School at Dallas in 1994. John is also listed as specializing in interventional cardiology and cardiovascular disease. Medicare claims data shows John provided 9,017 services to 5,367 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection, regadenoson, 0.1 mg, and evaluation of cardiac rhythm monitor system, remote up to 30 days. NPI 1295799005 identifies this record in the national registry.
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) 791-1978
- Email not available
Practice Locations
6560 FANNIN ST STE 620
Houston, TX 77030
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease 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
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
9,017 services · 5,367 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of heart rhythm monitor under skin | Procedure | 33285 |
42 | More often than most peers in Cardiovascular Disease… |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | Imaging | 78431 |
375 | More than most peers in Cardiovascular Disease… |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
142 | More often than most peers in Cardiovascular Disease… |
| Nuclear medicine study of heart muscle blood flow by pet | Imaging | 78434 |
74 | As often as other peers in Cardiovascular Disease… |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
863 | More than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
654 | More than most peers in Cardiovascular Disease… |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
550 | More than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
518 | More than most peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
327 | More often than most peers in Cardiovascular Disease… |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
229 | More often than most peers in Cardiovascular Disease… |
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.
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 cardiovascular diseases in Houston 8
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1994 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of heart rhythm monitor under skin 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is John C. Isaac?
John C. Isaac is a cardiovascular disease (cardiology) in Houston, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John C. Isaac's address?
John C. Isaac is listed at 6560 Fannin St Ste 620, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John C. Isaac?
The number on file is (713) 791-1978. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John C. Isaac?
John C. Isaac's National Provider Identifier is 1295799005. 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 John C. Isaac train?
John C. Isaac attended University of Texas Southwestern Medical School at Dallas, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John C. Isaac have?
John C. Isaac has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does John C. Isaac perform?
According to Medicare billing data, John C. Isaac performs procedures including insertion of heart rhythm monitor under skin; reads or performs imaging such as nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan and nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as evaluation of cardiac rhythm monitor system, remote up to 30 days and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John C. Isaac's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Isaac. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.