About
Mark D. Weissig, MD, a board-certified Pulmonologist, provides expert care for patients with lung and respiratory conditions in Fullerton, CA. With a focus on delivering compassionate and personalized attention, Dr. Weissig diagnoses and treats a range of conditions, including asthma, COPD, and sleep disorders. His state-of-the-art office, located at 2141 N Harbor Blvd Suite 25000, is equipped with the latest technology to ensure accurate diagnoses and effective treatment plans.
Whether you're seeking a second opinion or ongoing care, Dr. Weissig and his team are dedicated to helping you breathe easier and live a healthier life. As a trusted Pulmonologist in the Fullerton community, Dr. Weissig is committed to staying up-to-date with the latest medical advancements and research to provide the best possible outcomes for his patients.
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