Dr. John Colleran
- Gender: Male
- Experience: 35 years
- Graduation year: 1986
- Sole propriator: No
- NPI: 1265494231
Dr. John Colleran D.O.
Cardiologist
He is located at 4000 Richards Road Suite A in North Little Rock, AR 72117. Can help patients with the following: Abdominal Aortic Aneurysm (AAA), Blood Clots, Endocarditis, Rheumatic Fever, Ventricular Fibrillation, Ventricular Septal Defect (VSD). His National Provider Identifier (NPI) number is 1265494231. Appointment can be made via the phone number (501) 758-5133. He also has a website where you can get more information. The website can be found at https://www.chistvincent.com/physicians/john-colleranutm_source=LocalSearch. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. John Colleran, 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. John Colleran.
- 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. John Colleran
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John Colleran as in-network for the following 2026 plans.
Health plans
Ambetter from Arkansas Health & Wellness
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Ambetter from Arkansas Health & Wellness
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connected Silver (QualChoiceLife) | PPO · Silver | Preferred | Accepting new patients |
| Connected Silver (QualChoiceLife) + Vision + Adult Dental | PPO · Silver | Preferred | Accepting new patients |
| Elite Gold (QualChoiceLife) | PPO · Gold | Preferred | Accepting new patients |
| Elite Gold (QualChoiceLife) + Vision + Adult Dental | PPO · Gold | Preferred | Accepting new patients |
| Standard Gold (QualChoiceLife) | PPO · Gold | Preferred | Accepting new patients |
| Standard Gold (QualChoiceLife) + Vision + Adult Dental | PPO · Gold | Preferred | Accepting new patients |
| Standard Silver (QualChoiceLife) | PPO · Silver | Preferred | Accepting new patients |
Ambetter from Arkansas Health & Wellness
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from Ambetter from Arkansas Health & Wellness
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | PPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | PPO · Gold | Preferred | Accepting new patients |
| Connected Silver | PPO · Silver | Preferred | Accepting new patients |
| Connected Silver + Vision + Adult Dental | PPO · Silver | Preferred | Accepting new patients |
| Elite Bronze | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | PPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | PPO · Gold | Preferred | Accepting new patients |
| Standard Silver | PPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | PPO · Silver | Preferred | Accepting new patients |
Ambetter from Arkansas Health & Wellness
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Ambetter from Arkansas Health & Wellness
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA (QualChoice) | POS · Expanded Bronze | Preferred | Accepting new patients |
| Connected Silver (QualChoice) | POS · Silver | Preferred | Accepting new patients |
| Connected Silver (QualChoice) + Vision + Adult Dental | POS · Silver | Preferred | Accepting new patients |
| Elite Gold (QualChoice) | POS · Gold | Preferred | Accepting new patients |
| Elite Gold (QualChoice) + Vision + Adult Dental | POS · Gold | Preferred | Accepting new patients |
| Standard Expanded Bronze (QualChoice) | POS · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold (QualChoice) | POS · Gold | Preferred | Accepting new patients |
| Standard Gold (QualChoice) + Vision + Adult Dental | POS · Gold | Preferred | Accepting new patients |
| Standard Silver (QualChoice) | POS · Silver | Preferred | Accepting new patients |
| Standard Silver (QualChoice) + Vision + Adult Dental | POS · Silver | 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. John Colleran 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. John Colleran is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) (also registered under: Practitioner - Other (physician)) .
Bills through: Baptist Health
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
| Novartis | $1160 |
| Medtronic | $1068 |
| Endologix | $779 |
Other
| Food and Beverage | $8325 |
| Travel and Lodging | $488 |
Studies
Graduated in 1986Other ways to reach out
- Website: https://www.chistvincent.com/physicians/john-colleranutm_source=LocalSearch
Affiliated hospitals
Looking for more Cardiologists?
Here are cardiologists in Arkansas you may want to explore.
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- Address: 200 Heartcenter Ln Hot Springs, 71913, AR
- Gender: Male
- Address: 7 Shackleford West Boulevard Little Rock, 72211, AR
- Gender: Male
- Address: 601 South Gaines Street Little Rock, 72201, AR
- Gender: Male
- Address: 7 Shackleford West Boulevard Little Rock, 72211, AR
- Gender: Male
- Address: 2205 West Main Street Russellville, 72801, AR
- Gender: Male
- Address: Suite 501 5 St. Vincent Circle Little Rock, 72205, AR
- Gender: Male
- Address: #703 601 West Maple Avenue Springdale, 72764, AR
- Gender: Male
- Address: Suite 703 601 West Maple Avenue Springdale, 72764, AR
- Gender: Male
- Address: 555 West 6th Street Mountain Home, 72653, AR
- Gender: Male
- Address: Suite 110 3211 North Northhills Boulevard Fayetteville, 72703, AR
Questions & Answers
Does Dr. John Colleran have affiliation with practices?
Dr. John Colleran is affiliated with Heart Clinic Arkansas. For the full list of practices see this list.
Does Dr. John Colleran accept patients with Ambetter from Arkansas Health & Wellness?
Yes, Dr. John Colleran is listed in-network for Ambetter from Arkansas Health & Wellness through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. John Colleran affiliation with hospitals?
Dr. John Colleran is affiliated with CHI-ST VINCENT INFIRMARY. For the full list of hospitals see this list.
Where can you meet with Dr. John Colleran?
Dr. John Colleran's office is located at 4000 Richards Road Suite A in North Little Rock, AR 72117.
What conditions does Dr. John Colleran treat?
Dr. John Colleran provides treatment for Abdominal Aortic Aneurysm (AAA), Blood Clots, Endocarditis, Rheumatic Fever, Ventricular Fibrillation, Ventricular Septal Defect (VSD). For the full list see this list.