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Edit this profileAt a glance
- 326 N Lbj Dr Ste 104, San Marcos, TX 78666
About Dr. Dixon
Frederick E. Dixon, MD practices cardiovascular disease (cardiology) in San Marcos, TX. Frederick is a 1979 graduate of University of Virginia School of Medicine. Frederick is also listed as specializing in cardiovascular disease and sleep medicine. Medicare claims data shows Frederick provided 1,908 services to 649 patients. The services billed most often include injection, atropine sulfate, 0.01 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1023079613.
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
- (512) 572-1033
- Email not available
Practice Locations
326 N LBJ DR STE 104
San Marcos, TX 78666
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
- AFib
- Congestive heart failure
- Heart attack
- Heart disease
- High blood pressure
- High cholesterol
Coronary and ischemic heart disease
- Coronary artery disease
- Stable angina
Heart failure and cardiomyopathy
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
Heart rhythm
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
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
- Heart Murmur
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
- Ambulatory blood-pressure monitoring
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
- Cardiopulmonary Exercise Testing (CPET)
- Tilt Table Test
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 Fluid Drainage (Pericardiocentesis)
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
1,908 services · 649 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
113 | Too few peers to compare |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
68 | Too few peers to compare |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
40 | Too few peers to compare |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
40 | Too few peers to compare |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
37 | Too few peers to compare |
| Injection of x-ray contrast during ultrasound of heart | Treatment | 93352 |
18 | Too few peers to compare |
| Injection, atropine sulfate, 0.01 mg | Drug given | J0461 |
1,225 | Too few peers to compare |
| Injection, dobutamine hydrochloride, per 250 mg | Drug given | J1250 |
21 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
156 | As often as other peers in Cardiovascular Disease… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
117 | 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 San Marcos 3
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 — 15 related providers in 2 groups
Class of 1979 at University of Virginia School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Dixon?
Dr. Dixon is a cardiovascular disease (cardiology) in San Marcos, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Dixon's address?
Dr. Dixon is listed at 326 N Lbj Dr Ste 104, San Marcos, TX 78666. 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. Dixon?
The number on file is (512) 572-1033. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Dixon?
Dr. Dixon's National Provider Identifier is 1023079613. 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. Dixon train?
Dr. Dixon attended University of Virginia School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dixon have?
Dr. Dixon has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Dixon perform?
According to Medicare billing data, Dr. Dixon provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report 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 Dr. Dixon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dixon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.