Dr. Krock
✓Chief of Cardiology
✓Dallas Stars Cardiologist
✓Hospital Award Winner
✓20+ Years Certified
Heart Health Resources from a Cardiologist You Can Trust
TOOLS DR. KROCK RECOMMENDS
Shop trusted at-home monitors, heart-support supplements, defibrillators, and more — handpicked by Dr. Krock to help you stay ahead of symptoms.
UNDERSTAND YOUR HEART HEALTH
Explore expert-backed articles that break down tests, symptoms, and treatment options so you know what matters and what to ask your doctor.
WATCH DR. KROCK ON YOUTUBE
Follow along as Dr. Krock explains heart symptoms, test results, and the latest research — in plain language, with real patient stories.
Meet Dr. Krock
Trusted by Thousands. Chosen by the Pros.
Dr. Marc Krock is a board-certified cardiologist with 30+ years of cardiology experience and a reputation for clinical excellence. He’s the cardiologist to the Dallas Stars NHL team and has led major heart programs across North Texas. At The Heart Smart Group, he helps patients take charge of their heart health with trusted tools, clear answers, and next-step support.
Is It Stress… or Is It Your Heart?
One of the most common conversations I have in my office starts with a patient saying:
“I
