Allan Klein
Advanced in COVID-19

Dr. Allan Klein

Cardiology
Cleveland Clinic
Cleveland Clinic Main Campus
9500 Euclid Avenue, 
Cleveland, OH 
On Staff At
Offers Telehealth
49 Years of Experience
Advanced in COVID-19
Cleveland Clinic
Cleveland Clinic Main Campus
9500 Euclid Avenue, 
Cleveland, OH 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Allan Klein is a Cardiologist in Cleveland, Ohio. Dr. Klein has been practicing medicine for over 49 years and is rated as an Advanced provider by MediFind in the treatment of COVID-19. His top areas of expertise are Constrictive Pericarditis, Pericarditis, Cardiac Tamponade, Heart Failure, and Cardiac Ablation.

His clinical research consists of co-authoring 297 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 9 articles in the study of COVID-19.

Graduate Institution
McGill University, 1977.0
Residency
Royal Victoria Hospital
Specialties
Cardiology
Licenses
Internal Medicine in OH
Board Certifications
American Board Of Internal Medicine, 1987
Fellowships
Mayo Clinic
Hospital Affiliations
Cleveland Clinic
Languages Spoken
English
French
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Ambetter
  • EPO
  • HMO
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
AultCare
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
CommuniCare Advantage
  • MEDICARE SNP
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
HMSA
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medical Mutual
  • HMO
  • PPO
MVP Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Paramount
  • EPO
  • HMO
  • INDEMNITY
  • PPO
Primetime Health Plan
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE PART D
Provider Partners Health Plan
  • MEDICARE SNP
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
SummaCare
  • HMO
  • PPO
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Univera Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 27 Less Insurance Carriers -

Locations

Cleveland Clinic Main Campus
9500 Euclid Avenue, Cleveland, OH 44195
Call: 216-444-2200

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.

297 Total Publications

Advances in echocardiography for cardiac amyloidosis and restrictive cardiomyopathies.
Advances in echocardiography for cardiac amyloidosis and restrictive cardiomyopathies.
Journal: Current opinion in cardiology
Published: November 14, 2025
View All 297 Publications
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Cleveland Clinic Main Campus

9500 Euclid Avenue, 
Cleveland, OH 
 (0.1 miles away)
216-444-2200
Experience:
42+ years
Languages Spoken:
English, Arabic, French
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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

Find Dr. Klein's expertise for a condition
ConditionClose
  • Elite
  • Cardiac Tamponade
    Dr. Klein is
    Elite
    . Learn about Cardiac Tamponade.
    See more Cardiac Tamponade experts
  • Constrictive Pericarditis
    Dr. Klein is
    Elite
    . Learn about Constrictive Pericarditis.
    See more Constrictive Pericarditis experts
  • Heart Failure
    Dr. Klein is
    Elite
    . Learn about Heart Failure.
    See more Heart Failure experts
  • Pericarditis
    Dr. Klein is
    Elite
    . Learn about Pericarditis.
    See more Pericarditis experts
  • Distinguished
  • Aortic Regurgitation
    Dr. Klein is
    Distinguished
    . Learn about Aortic Regurgitation.
    See more Aortic Regurgitation experts
  • Aortic Valve Stenosis
    Dr. Klein is
    Distinguished
    . Learn about Aortic Valve Stenosis.
    See more Aortic Valve Stenosis experts
  • Atrial Fibrillation
    Dr. Klein is
    Distinguished
    . Learn about Atrial Fibrillation.
    See more Atrial Fibrillation experts
  • Bicuspid Aortic Valve
    Dr. Klein is
    Distinguished
    . Learn about Bicuspid Aortic Valve.
    See more Bicuspid Aortic Valve experts
  • Cardiomyopathy
    Dr. Klein is
    Distinguished
    . Learn about Cardiomyopathy.
    See more Cardiomyopathy experts
  • Endocarditis
    Dr. Klein is
    Distinguished
    . Learn about Endocarditis.
    See more Endocarditis experts
View All 14 Distinguished Conditions
  • Advanced
  • Acute Coronary Syndrome
    Dr. Klein is
    Advanced
    . Learn about Acute Coronary Syndrome.
    See more Acute Coronary Syndrome experts
  • Adenosine Deaminase 2 Deficiency
    Dr. Klein is
    Advanced
    . Learn about Adenosine Deaminase 2 Deficiency.
    See more Adenosine Deaminase 2 Deficiency experts
  • Angina
    Dr. Klein is
    Advanced
    . Learn about Angina.
    See more Angina experts
  • Aortic Dissection
    Dr. Klein is
    Advanced
    . Learn about Aortic Dissection.
    See more Aortic Dissection experts
  • Apoplexy
    Dr. Klein is
    Advanced
    . Learn about Apoplexy.
    See more Apoplexy experts
  • Atherosclerosis
    Dr. Klein is
    Advanced
    . Learn about Atherosclerosis.
    See more Atherosclerosis experts
View All 28 Advanced Conditions
  • Experienced
  • Anomalous Left Coronary Artery from the Pulmonary Artery
    Dr. Klein is
    Experienced
    . Learn about Anomalous Left Coronary Artery from the Pulmonary Artery.
    See more Anomalous Left Coronary Artery from the Pulmonary Artery experts
  • Arachnodactyly
    Dr. Klein is
    Experienced
    . Learn about Arachnodactyly.
    See more Arachnodactyly experts
  • Arrhythmias
    Dr. Klein is
    Experienced
    . Learn about Arrhythmias.
    See more Arrhythmias experts
  • Arrhythmogenic Right Ventricular Cardiomyopathy
    Dr. Klein is
    Experienced
    . Learn about Arrhythmogenic Right Ventricular Cardiomyopathy.
    See more Arrhythmogenic Right Ventricular Cardiomyopathy experts
  • Arterial Embolism
    Dr. Klein is
    Experienced
    . Learn about Arterial Embolism.
    See more Arterial Embolism experts
  • Atrial Septal Defect (ASD)
    Dr. Klein is
    Experienced
    . Learn about Atrial Septal Defect (ASD).
    See more Atrial Septal Defect (ASD) experts
View All 48 Experienced Conditions
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