Are you Gregory A. St. John, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 130 Medical Park Pl, Hot Springs, AR 71901
About Dr. St. John
Based in Hot Springs, AR, Gregory A. St. John, M.D. is listed in the NPI registry under cardiovascular disease. Gregory graduated from University of Arkansas College of Medicine in 1990. Gregory is also listed as specializing in interventional cardiology. According to Medicare claims data, Gregory cared for 2,918 Medicare patients across 3,105 services. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. NPI 1124023056 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
- (501) 625-3400
- Email not available
Practice Locations
130 MEDICAL PARK PL
Hot Springs, AR 71901
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
- Fainting and syncope
- Heart palpitations
- Postural orthostatic tachycardia syndrome
Valve and structural heart
- Aortic stenosis
- Mitral regurgitation
- Mitral valve prolapse
- Patent foramen ovale
Vascular and risk factors
- Aortic aneurysm
- Carotid artery disease
- Familial hypercholesterolemia
- Resistant hypertension
Artery & vascular
- Peripheral Artery Disease (PAD)
Heart inflammation
- Pericarditis (Heart Sac Inflammation)
Heart muscle
Heart valves
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Office and noninvasive testing
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
Diagnostics
- Electrophysiology Study (EP Study)
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
- Heart CT Scan (Cardiac CT)
Heart procedures
Heart rhythm procedures
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
Procedures Most Often Billed to Medicare
3,105 services · 2,918 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
177 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
436 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
269 | As often as other peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
187 | More than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
187 | More than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
181 | As often as other peers in Cardiovascular Disease |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
130 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart, follow-up | Treatment | 93308 |
73 | 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 |
69 | As often as other peers in Cardiovascular Disease |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
67 | As often as other 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 cardiologists in Hot Springs 4
Same specialty, same city.
Trained at University of Arkansas College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at University of Arkansas 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 AR who bill this service to Medicare most often.
Common questions
What is Gregory A. St. John's specialty?
Gregory A. St. John is a cardiologist in Hot Springs, AR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Gregory A. St. John?
Gregory A. St. John is listed at 130 Medical Park Pl, Hot Springs, AR 71901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory A. St. John?
The number on file is (501) 625-3400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory A. St. John's NPI number?
Gregory A. St. John's National Provider Identifier is 1124023056. 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 Gregory A. St. John's education?
Gregory A. St. John attended University of Arkansas College of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory A. St. John been practicing?
Gregory A. St. John has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Gregory A. St. John known for?
According to Medicare billing data, Gregory A. St. John performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function 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 Gregory A. St. John confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory A. St. John. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.