
Overview
Ronald Laan is a Cardiologist in Grand Rapids, Michigan. Dr. Laan has been practicing medicine for over 43 years is highly rated in 46 conditions, according to our data. His top areas of expertise are Familial Dilated Cardiomyopathy, Atrial Fibrillation, Endocarditis, and Atherosclerosis. Dr. Laan is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- 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
- 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
- EPO
- HMO
- PPO
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- 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
655 Kenmoor Avenue Southeast, Suite 101, Grand Rapids, MI 49546
Corewell Health Structural Heart And Valve Center - 221 Michigan St NE
William Merhi is a Cardiologist in Grand Rapids, Michigan. Dr. Merhi has been practicing medicine for over 26 years is highly rated in 23 conditions, according to our data. His top areas of expertise are Aortic Valve Stenosis, Mitral Valve Regurgitation, Aortic Regurgitation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Merhi is currently accepting new patients.
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David Fermin is a Cardiologist and a Transplant Surgeon in Grand Rapids, Michigan. Dr. Fermin has been practicing medicine for over 19 years is highly rated in 20 conditions, according to our data. His top areas of expertise are Cardiomyopathy, Heart Failure, Hypertrophic Cardiomyopathy (HCM), Endoscopy, and Heart Transplant. Dr. Fermin is currently accepting new patients.
Corewell Health Cardiovascular Services - Bradford
Ali Mahajerin is a Cardiologist in Grand Rapids, Michigan. Dr. Mahajerin has been practicing medicine for over 21 years is highly rated in 30 conditions, according to our data. His top areas of expertise are Aortic Regurgitation, Vasculitis, Pediatric Myocarditis, Necrosis, and Cardiac Ablation. Dr. Mahajerin is currently accepting new patients.
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
- Atrial FibrillationDr. Laan isDistinguished. Learn about Atrial Fibrillation.
- EndocarditisDr. Laan isDistinguished. Learn about Endocarditis.
- Familial Dilated CardiomyopathyDr. Laan isDistinguished. Learn about Familial Dilated Cardiomyopathy.
- Advanced
- Adenosine Deaminase 2 Deficiency
- AnginaDr. Laan isAdvanced. Learn about Angina.
- Aortic Valve StenosisDr. Laan isAdvanced. Learn about Aortic Valve Stenosis.
- ApoplexyDr. Laan isAdvanced. Learn about Apoplexy.
- ArrhythmiasDr. Laan isAdvanced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Experienced
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic RegurgitationDr. Laan isExperienced. Learn about Aortic Regurgitation.
- ArachnodactylyDr. Laan isExperienced. Learn about Arachnodactyly.
- Arterial InsufficiencyDr. Laan isExperienced. Learn about Arterial Insufficiency.
- Bicuspid Aortic ValveDr. Laan isExperienced. Learn about Bicuspid Aortic Valve.
- Bidirectional TachycardiaDr. Laan isExperienced. Learn about Bidirectional Tachycardia.



