Experience the joy of
  • breathing
  • feeling
better

We are committed to our patients during the Covid-19 Pandemic. Our office will remain open with varying hours of operation. Please call the office to confirm all appointments.  

We are committed to our patients during the Covid-19 Pandemic. Our office will remain open with varying hours of operation. Please call the office to confirm all appointments.  

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(603) 964-3392

Welcome to
Center for Asthma, Allergy and Respiratory Disease, PLLC

For over 30 plus years Dr. Mark R. Windt of the Center for Asthma, Allergy and Respiratory Disease has been serving patients in the greater seacoast area including Northern Massachusetts, Southern New Hampshire and Southern Maine. CAARD is a medical practice dedicated to the diagnosis and treatment of asthma, allergies and respiratory diseases. Conveniently, CAARD has a full physiology lab (EHD) located in its North Hampton NH office.

Our staff is committed to providing the highest quality of medical care using state-of-the-art equipment and cutting edge medical science.

We pride ourselves on putting patients’ well being above all else. Our patients are given accurate diagnoses, personalized treatment plans and educational information to help manage their (symptoms/disease).

What We Do

Explore What We Treat

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Read what our patients have to say...

  • I am a life-long asthmatic who was prone to numerous life-threaning infections. Dr. Windt got my health under control and prescribed pulmonary rehab. I am now in the best shape of my life. The rehab program is a total fitness approach, working on strength, core, flexiblity, and overall lifestyle. I feel great; I no longer get fatigued and in 2017, I became the national champion in discus for my age group. Not bad for age 81!

    Steve H.

  • I have severe allergies and asthma and was constantly tired. I couldn't even lug the groceries in from the car without getting winded. Dr. Windt started allergy treatment and recommended pulmonary rehab. In just a few weeks, I noticed a huge difference. I'm not tired or winded. I'm doing things I never thought I could do. I can hike with friends and keep up with my kids. At 43, it's a whole new life.

    Tracy H.