I did a videoconference with Dr, Mark Ginsburg at the Diaphragm Center at Columbia Medical Center in New York and highly recommend anyone with a weak or paralyzed diaphragm do the same. Many consider him to be the leading expert in the country on diaphragm issues. One of the things I've learned since my paralyzed diaphragm was diagnosed is that most doctors don't know much about diaphragms. Pulmonologists know a lot about lungs and thoracic surgeons know a lot about chest surgery, but few doctors in either discipline know much about diaphragms. Thus, I was really glad to find the Diaphragm Center in New York and have my case reviewed and get all my questions answered. People in the facebook group for people with paralyzed diaphragms have recommended doctors they've had great success with around the country, but I couldn't find one reported in the DC area. Good luck!