Dr. Gregory L. Johnson
- Gender: Male
- Experience: 32 years
- Graduated from: Creighton University School Of Medicine
- Graduation year: 1989
- Sole propriator: No
- NPI: 1437107331
Dr. Gregory L. Johnson M.D.
Cardiologist
He is located at 4314 Medical Parkway Suite 200 in Austin, TX 78756. Can help patients with the following: Birth Defects, Bradycardia, Chronic Venous Insufficiency, Endocarditis, Heart Attack, Pacemaker. His National Provider Identifier (NPI) number is 1437107331. Appointment can be made via the phone number (512) 454-1110. He also has a website where you can get more information. The website can be found at https://healthcare.ascension.org/doctors/1437107331/gregory-leigh-johnson-austin-tx. He is affiliated with 1 practices.
Conditions treated
Dr. Gregory Leigh Johnson, being an cardiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory L. Johnson.
- Abdominal Aortic Aneurysm (AAA)
- Amyloidosis
- Angina
- Aortic Stenosis
- Arrhythmia
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Chronic Venous Insufficiency
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Edema
- Endocarditis
- Fainting
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- High Blood Pressure
- High Cholesterol
- Hyperlipidemia
- May-Thurner Syndrome
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Orthostatic Hypotension
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. Gregory L. Johnson
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory L. Johnson as in-network for the following 2026 plans.
Health plans
Ambetter from Superior HealthPlan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 12 plans from Ambetter from Superior HealthPlan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
Moda Health Plan, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Moda Select Texas Bronze 8700 ($0 Virtual Urgent Care through CirrusMD) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Bronze HDHP 7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Standard Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Select Texas Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Moda Select Texas Standard Silver | EPO · Silver | Preferred | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 12 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic | EPO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
Sendero Health Plans, Local Nonprofit
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 14 plans from Sendero Health Plans, Local Nonprofit
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Sendero Health Austin512 Silver / $40 PCP / $75 Specialist / $15 Generic Drugs / $0 Deductible | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Austin512 Silver / $40 PCP / $75 Specialist / $15 Generic Drugs / $0 Deductible | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Capital Silver / $40 PCP / $80 Specialist / $20 Generic Drugs | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Capital Silver / $40 PCP / $80 Specialist / $20 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Hill Country Gold / $30 PCP / $60 Specialist / $15 Generic Drugs | HMO · Gold | Non Preferred | Accepting new patients |
| Sendero Health Hill Country Gold / $30 PCP / $60 Specialist / $15 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Sendero Health Original Silver / $20 PCP + 2 $0 PCP Visits / $10 Generic Drugs | HMO · Silver | Non Preferred | Accepting new patients |
| Sendero Health Original Silver / $20 PCP + 2 $0 PCP Visits / $10 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Sendero Health Preferred Bronze / $25 PCP / $75 Specialist / $22 Generic Drugs | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Sendero Health Preferred Bronze / $25 PCP / $75 Specialist / $22 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Sendero Health Quality Care Bronze High Deductible / $50 PCP / $25 Generic Drugs / $100 Specialist | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Sendero Health Quality Care Bronze High Deductible / $50 PCP / $25 Generic Drugs / $100 Specialist | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Sendero Health Real Gold / $350 Deductible | HMO · Gold | Non Preferred | Accepting new patients |
| Sendero Health Real Gold / $350 Deductible | HMO · Gold | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory L. Johnson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Gregory L. Johnson is enrolled to bill Medicare as a Practitioner - Pediatric Medicine (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Dell Childrens Medical Group
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Edwards Lifesciences | $260 |
| St. Jude Medical | $246 |
| Actelion Pharmaceuticals | $116 |
Other
| Food and Beverage | $802 |
Spoken languages
- English
- Spanish
Studies
CREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1989Other ways to reach out
- Website: https://healthcare.ascension.org/doctors/1437107331/gregory-leigh-johnson-austin-tx
Looking for more Cardiologists?
Out of the 19 cardiologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Suite 300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Male
- Address: Suite 300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Male
- Address: #300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Male
- Address: #300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Male
- Address: #300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Female
- Address: 1110 East 32nd Street Austin, 78722, TX
- Gender: Female
- Address: #200 4314 Medical Parkway Austin, 78756, TX
- Gender: Male
- Address: #200 4314 Medical Parkway Austin, 78756, TX
- Gender: Male
- Address: #300 3801 North Lamar Boulevard Austin, 78756, TX
- Gender: Male
- Address: Suite 300 3801 North Lamar Boulevard Austin, 78756, TX
Questions & Answers
Where can you meet with Dr. Gregory Leigh Johnson?
Dr. Gregory Leigh Johnson's office is located at 4314 Medical Parkway Suite 200 in Austin, TX 78756.
Does Dr. Gregory Leigh Johnson have affiliation with practices?
Dr. Gregory Leigh Johnson is affiliated with Magella Medical Associates.
Does Dr. Gregory Leigh Johnson accept insurance?
Dr. Gregory Leigh Johnson is listed in-network for 66 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc., Oscar Insurance Company, Sendero Health Plans, Local Nonprofit. See the Marketplace plans section for details.
What conditions does Dr. Gregory Leigh Johnson treat?
Dr. Gregory Leigh Johnson provides treatment for Birth Defects, Bradycardia, Chronic Venous Insufficiency, Endocarditis, Heart Attack, Pacemaker. For the full list see this list.