image description

At National Jewish Health in Denver, Colorado, we know that your heart and lungs work closely together to make sure your body has the oxygen-rich blood it needs to function properly. As the leading respiratory hospital in the nation, we have special insights into the link between heart disease and lung disease. Our cardiologists work together with pulmonologists and a multidisciplinary team to evaluate and treat heart conditions from the simplest to the most complex.

Right here in Denver, Colorado, our team is constantly developing new tests and therapies to assure that you always have access to the most advanced heart care anywhere. Because our doctors are researchers, too, you have access to the latest clinical trials and most effective treatments.


Cardiology at National Jewish Health

At National Jewish Health, you’ll find:

  • Clinical trials for heart patients
  • A focused and integrated approach
  • State-of-the-art testing
  • A therapy plan designed for you
  • Nutrition advice from expert dietitians
  • Cardiac rehabilitation services

Our team works with you and your family to develop a plan of care to meet your special needs.
Our goal is to help you to manage your heart disease and lead a full and active life.

Our Specialists

  • Andrew M. Freeman
    Andrew M. Freeman, MD, FACC, FACP
  • Barbara Lemer
    Barbara Lemer, NP

Clinical Trials

Pulmonary (Arterial) Hypertension Study

The study looks to identify the minimal and maximum effective dose of inhaled nitric oxide using an investigational drug/device combination product, the GeNO NITROsyl™ System, when compared to placebo (air).

Learn More

Reasons to Visit National Jewish Health

  • The leading respiratory hospital in the nation and the only one devoted fully to the treatment of respiratory and related illnesses
  • Ranked as one of the top two hospitals in pulmonology every year since U.S. News & World Report included this category in its annual “Best Hospitals” survey
  • Ranked in the top 1 percent of hospitals in the nation by HCAHPS
  • Physicians frequently recognized as among the best in the nation by multiple services, including Best Doctors in America and Castle Connolly
  • Among the top 8 percent of organizations funded for research by the NIH, providing patients access to the latest clinical trials
  • 118-year history of focus on care, research and education serving thousands of patients with lung, heart, immune and related disorders


Make an Appointment

Patient Stories

Patients Out of Options Found Answers Here

What do you do when you are allergic to the very medicine that’s supposed to help you? Where do you turn when years of treatment don’t make you feel better? Meet Caleb, Jerry and Adam, each of whom struggled with life-threatening health issues before finding National Jewish Health. They came here as a last resort, and found doctors and researchers who listened and found answers that changed their lives.

Read More View All Patient Stories

Health Insights & News

Giving Help us treat patients with heart-lung conditions. Ways to Give

80 percent of #heartdisease and #stroke events can be prevented.

Tweet this
Healthy Homes: Reduce Chemical Irritants

Chemical irritants are compounds that usually have a noticeable smell and can irritate your child’s lungs and make their asthma...

Knowing Risk Factors Can Prevent Colon Cancer

Early detection can reduce the colon-cancer death toll through prevention and treatment.

Sarcoidosis: Lifestyle Management

The primary source of vitamin D in our bodies comes from our diet.

Healthy Homes: Eliminate Tobacco Smoke

Learn how to eliminate tobacco smoke from your home.

Healthy Homes: Eliminate Mice and Rats

Learn about mice and rats and how to take action to keep your home healthy.

Healthy Homes: Reduce Dust Mites

Learn about dust mites and what actions to take.


Watch these videos to learn more about allergies.

Healthy Homes: Reduce Dust

House dust is a mixture of substances that can make asthma symptoms worse, learn more.

Hypertension: Lifestyle Management

Hypertension usually requires lifelong management and observation.

Cardiology Medications

Anticoagulant medicines are a group of medicines that help to preventblood clots. Blood clots can cause heart attacks and strokes.

Tips to Protect Your Vocal Cords

Try these tips to maintain a healthy voice.

Indoor Air Pollution

It is important to look at sources within the home that may emit particulates, gases and fumes harmful to our health.