We are a small team of dedicated professionals with a wide range of skills and experience. We love helping patients live and breathe their best lives possible and we do it with passion, creativity, innovation and imagination.

Noah Greenspan, PT, DPT, CCS, EMT-B


Dr. Noah Greenspan, PT, DPT, CCS, EMT-B is a Board-Certified Clinical Specialist in Cardiovascular and Pulmonary Physical Therapy with over 27 years of cardiopulmonary physical therapy and rehabilitation experience. He began his professional career at the New York University (now Langone) Medical Center’s Rusk Institute of Rehabilitation Medicine, with clinical rotations in medical, surgical, orthopedic and neurologic rehabilitation, chest physical therapy and ultimately cardiovascular and pulmonary rehabilitation, where he served as Physical Therapy Supervisor from 1995-1999.

In 1998, he founded the Pulmonary Wellness & Rehabilitation Center, a Manhattan-based physical therapy practice specializing in the care of patients with cardiovascular, pulmonary and complex medical conditions. Under his direction, the Center has conducted over 100,000 exercise sessions and been named “Best of the United States” in the area of cardiovascular and pulmonary physical therapy.

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Email me: noah@pulmonarywellness.org

Marcella Debidda, PhD

Chief Patient Officer

As a creative builder and change agent, Dr. Marcella Debidda’s mission is to promote a human centered healthcare system, built on empathy and radical collaboration where each patient is recognized and treated as an individual with unique experiences, hopes and expectations; where everyone is respected for the expertise that they can bring to the table, is empowered, engaged and has a voice in their own care. 

In her role as Chief Patient Officer she works with patients to understand the journey in their disease and to co-create meaningful solutions that can have an impact on their daily lives. She is also responsible for creating a culture of inclusivity where partnerships with all key stakeholders can take place.

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Email me: marcella@pulmonarywellness.org

Marion Mackles, PT


Marion Mackles, PT earned her Bachelor of Fine Arts in Theatre from Ohio University in Athens, Ohio in 1981 and her Bachelor of Science degree in Physical Therapy from New York University in 1994, where she graduated Summa Cum Laude. She began her career as a Physical Therapist at the Rusk Institute of Rehabilitation Medicine, where her clinical experiences included rotations in Medical, Surgical, Orthopedic and Neurological Rehabilitation. Marion spent two of her three years at the Rusk Institute on the Chest Physical Therapy and Cardiopulmonary Rehabilitation Units.

During that time she worked extensively in the Recovery Room, Transplant, and Intensive Care Units. It was during this period that she developed her deep love for and devotion to the care of patients with cardiopulmonary dysfunction. In 1998, Marion joined the Pulmonary Wellness & Rehabilitation Center, as one of its two founding members, where she serves as chief of the Center’s Airway Clearance Unit.

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Email me: marion@pulmonarywellness.org

Mackenzie Doerstling, MPH

Program Manager

Mackenzie Doerstling, MPH earned her Bachelor of Science in Clinical Exercise Science in 2015 and her Masters of Public Health (Nutrition) in 2017. Her coursework included Applied Exercise Physiology, Exercise Prescription for Special Populations, Chronic Disease Prevention and Management, and Nutrition and Chronic Disease. 

She is currently a clinical exercise physiologist at the Pulmonary Wellness & Rehabilitation Center in New York City, where she monitors and supervises cardiovascular and pulmonary exercise sessions. In her role as program manager, Mackenzie supports the Foundation’s mission by identifying potential opportunities for partnership, developing grant applications and planning community and donor outreach strategies.

Email me: mackenzie@pulmonarywellness.org