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Mordecai N Klein, MD

Mordecai N Klein, MD

Cardiovascular Disease
Voted One of the Best Doctors in Collin County in 2016. Received Top 10 Doctor and Compassionate Doctor Recognition Awards by Rated #1 cardiologist in Plano, TX on Google.
Care Philosophy

Mordecai N. Klein, MD, FACC is a full service cardiology practice whose primary goal is to provide the best in cardiac care; which is a harmonious blend of both the latest in advanced cardiac care technologies and prescribed medicines. Dr. Mordecai Klein and his team know each patient's name and are acquainted with their families. Harmony Heart Group's skills in treating people have earned them high esteem among both their patients and the medical community.


Aetna - PPO

Aetna - Managed Choice - Open Access - POS

American Imaging Management, Inc. - AIM

Averde Health

Beech Street

Blue Cross Blue Shield - Network P

Blue Cross Blue Shield - Texas

Regence Group (Bs-Wa, Bs-Id, Bcbs-Ut, Bcbs-Or)

Bravo Health

CCN - Workers Compensation


Cigna HMO

Coastal Comp Health Networks

Cooks Children's


Coventry One

Employer Health Network

Fidelis SecureCare

First Health


Great Western


Humana - Military Services

Independent Medical Systems

Managed Care Programs




Medicare A & B


National Choice Care

National Healthcare Solutions

Parkland Community Health Plan

PPO Next

Principal Life Insurance

Private Healthcare Systems - PHCS - Multiplan

Rockport Healthcare Group

United Healthcare HMO

Select Care of Texas

Superior Healthcare of Texas

Texas Health Network

Texas TRUE Choice - Multiplan

Coventry Health Care Plans

United Healthcare - Choice

United Healthcare - Choice Plus

United Medical Resources - UMR

United Medicare

Universal Health Care Inc.


Arterial Ultrasound

Cardiac Catheterization

Cardiac Echocardiography


Carotid Ultrasounds

Coronary calcium scores done through the hospital

Coronary Stents

Doppler Studies

IMPELLA left ventricular assist device to support stenting/atherectomy of high r

Insertion of ASD/PFO Closure Device

Pacemaker/Defibrillator Implants

Peripheral Vascular


Phlebology - Veins


Structural Heart (PFO/ASD Closures)

Ultrasound/Doppler diagnosis of cardiac, vascular, vein, carotid and lower extre

Venous Closure