To Our Valued Patients Dallas Pulmonary and Critical Care – Charlton Pulmonary Clinic will permanently close on Tuesday, September 30, 2025. Continuing Your Care We will continue seeing patients at our Dallas, Irving, Grapevine, and Bedford clinics. You may transfer your care to one of these locations, and our staff can assist. For questions or to schedule a new appointment, call 214-960-5681.