
Overview
James Loker is a Cardiologist and a Pediatric Cardiologist in Grand Rapids, Michigan. Dr. Loker has been practicing medicine for over 40 years is highly rated in 5 conditions, according to our data. His top areas of expertise are Heart Murmurs, Ventricular Septal Defects, Pulmonary Vein Stenosis, and Idiopathic Dilatation of the Pulmonary Artery.
His clinical research consists of co-authoring 6 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
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- 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
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
25 Michigan Street Northeast, Suite 4200, Grand Rapids, MI 49503
3950 Hollywood Road, Suite 240, Saint Joseph, MI 49085
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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Michael Brunner is a Cardiologist in Grand Rapids, Michigan. Dr. Brunner has been practicing medicine for over 19 years is highly rated in 37 conditions, according to our data. His top areas of expertise are Long QT Syndrome 2, Long QT Syndrome 1, Short QT Syndrome, Pacemaker Implantation, and Cardiac Ablation. Dr. Brunner is currently accepting new patients.
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William Merhi is a Cardiologist in Grand Rapids, Michigan. Dr. Merhi has been practicing medicine for over 27 years is highly rated in 22 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.
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
- Advanced
- Bicuspid Aortic ValveDr. Loker isAdvanced. Learn about Bicuspid Aortic Valve.
- Heart MurmursDr. Loker isAdvanced. Learn about Heart Murmurs.
- Idiopathic Dilatation of the Pulmonary Artery
- Pulmonary Vein StenosisDr. Loker isAdvanced. Learn about Pulmonary Vein Stenosis.
- Ventricular Septal DefectsDr. Loker isAdvanced. Learn about Ventricular Septal Defects.
- Experienced
- Aase SyndromeDr. Loker isExperienced. Learn about Aase Syndrome.
- Aberrant Subclavian ArteryDr. Loker isExperienced. Learn about Aberrant Subclavian Artery.
- Abruzzo-Erickson SyndromeDr. Loker isExperienced. Learn about Abruzzo-Erickson Syndrome.
- Acrodermatitis EnteropathicaDr. Loker isExperienced. Learn about Acrodermatitis Enteropathica.
- Acrorenal Mandibular SyndromeDr. Loker isExperienced. Learn about Acrorenal Mandibular Syndrome.
- Adenosine Deaminase 2 DeficiencyDr. Loker isExperienced. Learn about Adenosine Deaminase 2 Deficiency.



