Dr. Ornouma Sriwanishvipat at Yanhee International Hospital in Bangkok, Thailand treats various nose problems including nasal obstruction, nasal polyps, and cosmetic rhinoplasty. Common procedures performed are septoplasty to straighten a deviated septum and functional endoscopic sinus surgery to clear sinuses and remove polyps without external incisions. The document also provides details on nasal anatomy, functions, common nasal issues like polyps, deviated septums, and their treatments.