http://www.phassociation.org/Find_A_Doctor/
Pulmonary Hypertension Association
This site provides an interactive map and form to search for a doctor in the US or countries around the world; the information listed in the database has been self reported by the participating physicians. All listed physicians are members of PH Clinicians and Researchers (PHCR), PHA’s membership section for PH-treating physicians and researchers.