
Overview
John Gribar is a Cardiologist and an Interventional Cardiologist in Holland, Michigan. Dr. Gribar has been practicing medicine for over 21 years and is rated as an Advanced provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Cardiomyopathy, Apoplexy, Angina, and Pulmonary Embolism. Dr. Gribar is currently accepting new patients.
His clinical research consists of co-authoring 3 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- HMO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
602 Michigan Avenue, Suite 102, Holland, MI 49423
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Ali Mahajerin is a Cardiologist in Grand Rapids, Michigan. Dr. Mahajerin has been practicing medicine for over 21 years and is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Vasculitis, Pediatric Myocarditis, Necrosis, and Cardiac Ablation. Dr. Mahajerin is currently accepting new patients.
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John Key is a Cardiologist in Wyoming, Michigan. Dr. Key has been practicing medicine for over 36 years and is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Vasculitis, and Necrosis. Dr. Key is currently accepting new patients.
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Michael Vredenburg is a Cardiologist in Grand Rapids, Michigan. Dr. Vredenburg has been practicing medicine for over 36 years and is rated as a Distinguished provider by MediFind in the treatment of Aortic Regurgitation. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Vasculitis.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- CardiomyopathyDr. Gribar isDistinguished. Learn about Cardiomyopathy.
- Advanced
- Adenosine Deaminase 2 DeficiencyDr. Gribar isAdvanced. Learn about Adenosine Deaminase 2 Deficiency.
- AnginaDr. Gribar isAdvanced. Learn about Angina.
- Aortic RegurgitationDr. Gribar isAdvanced. Learn about Aortic Regurgitation.
- ApoplexyDr. Gribar isAdvanced. Learn about Apoplexy.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial EmbolismDr. Gribar isAdvanced. Learn about Arterial Embolism.
- Experienced
- Acute Coronary SyndromeDr. Gribar isExperienced. Learn about Acute Coronary Syndrome.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic Valve StenosisDr. Gribar isExperienced. Learn about Aortic Valve Stenosis.
- ArrhythmiasDr. Gribar isExperienced. Learn about Arrhythmias.
- Arterial Tortuosity SyndromeDr. Gribar isExperienced. Learn about Arterial Tortuosity Syndrome.
- Bicuspid Aortic ValveDr. Gribar isExperienced. Learn about Bicuspid Aortic Valve.



