Dr. Roman Culjat (pronounced Chool-yot) has been practicing Pulmonary and Sleep Medicine since finishing training in 2007. He primarily works in the office in Torrance, and he also sees hospital patients with pulmonary and sleep issues at Providence Little Company of Mary Medical Center, Torrance, and Torrance Memorial Medical Center. He has board certifications in Pulmonary Disease and Sleep Medicine. Dr. Culjat enjoys seeing a diverse patient population and believes in equity for all patients.
Dr. Caleb Hsieh is a pulmonary, critical care and sleep medicine physician who practices in Torrance. He sees patients with a wide range of conditions, from asthma and COPD to sleep apnea and insomnia. He works to explain and translate evidence-based medicine to patients in a way that empowers them to make informed decisions. He is triple board-certified in internal medicine, pulmonary medicine, and critical care, and is board-eligible for sleep medicine.
Dr. Connie H. Lin is an allergist and immunologist who practices in Torrance. She treats patients with allergic and immunodeficiency diseases, including eczema, allergic rhinitis, sinusitis, food allergy, drug allergy, hives, common variable immunodeficiency, specific antibody deficiency and hypogammaglobulinemia. She is board certified in Internal Medicine and Allergy and Immunology.
Dr. Ruihong Luo received her medical degree from Sun Yat-Sen University of Medical Sciences and practiced in China for seven years. Later she completed residency in Internal Medicine at University of Nevada School of Medicine in Las Vegas, and Infectious Diseases fellowship at Boston University and Boston Medical Center. Her practice focuses on general infectious diseases for inpatients and outpatients as well as HIV management. She is also interested in antibiotic utilization, hospital infection control and epidemiology. Dr. Luo speaks fluent English and Chinese including Mandarin and Cantonese.
Dr. Catherine Oberg is a board-certified interventional pulmonologist who practices in Torrance. She performs a variety of diagnostic and therapeutic respiratory system procedures, and always works with patients to find the least invasive option that aligns with their goals of care. Her clinical interests include minimally invasive diagnostic procedures, bronchoscopic lung volume reduction and central airway obstruction.
Dr. Wong earned his B.A. at USC and his M.D. at Loyola University of Chicago. He completed his Pulmonary Fellowship in 1985 at Harbor-UCLA Medical Center. He is Board Certified in Internal, Pulmonary and Critical Care Medicine as well as Quality Assurance and Utilization Review. He is Co-Medical Director of the Intensive Care Unit at Little Company of Mary Medical Center.
Dr. Yen earned his B.E. (summa cum laude) at Vanderbilt University and his M.D. at the University of North Carolina at Chapel Hill. He completed his internship and residency at the Hospital of the University of Pennsylvania and Loma Linda University Children’s Hospital, and dual fellowship in Allergy/Immunology and Pediatric Rheumatology (autoimmune disease) at Ronald Reagan UCLA Medical Center. Dr. Yen is a board-certified allergist, immunologist, and pediatric rheumatologist who specializes in treating Adults and Children with allergic rhinitis, food and medication allergy, asthma, hives, angioedema, anaphylaxis, eczema, sinusitis, immunodeficiency diseases and related disorders. He has also received advanced training in treating Children with autoimmune diseases.