Angela Wailan Tang, MD - Optum-San Gabriel

Mirko Villanueva, MD, is board certified in internal medicine and sleep medicine. Dr. Villanueva earned his medical degree from Universidad Peruana Cayetano Heredia Medical School in Lima, Peru. Dr. Villanueva completed his internship and residency at Henry Ford Hospital in Detroit, Michigan. Patients say that Dr. Villanueva has a great personality and likes to engage with them, asking questions about their family lives and their medical conditions. He makes them feel comfortable and is eager to provide them with healthcare information. In his spare time, Dr. Villanueva travels and spends tim e with his family. In addition to English, he speaks fluent Spanish

Facey Medical Group is a health care team that provides medical services in a professional atmosphere, and has several facilities in the San Fernando, Santa Clarita and San Gabriel Valleys in California, including one located in San Gabriel. Founded in 1923, it provides an array of specialized services for the treatment of various ailments, including allergy and hearing defects, dermatology, nutritional health, endocrinology and general medicine for adults, children and adolescents. Its center offers services relating to gastroenterology, obstetrics and gynecology, oncology and hematology, ophthalmology and optometry. Facey Medical Group also sspecializes in otolaryngology, pediatrics, podiatry, pulmonology, rheumatology and urology.

Lisa Chung, MD, is board certified in internal medicine and is a hospitalist. Dr. Chung earned her medical degree from the University of Arkansas for Medical Sciences College of Medicine. She completed her internship and residency at Harbor-UCLA Medical Center. Dr. Chung became a hospitalist because she likes treating acutely ill patients in the hospital setting. She especially enjoys caring for elderly patients and those who need end-of-life care. In her spare time, Dr. Chung enjoys spending ti r. Chung speaks fluent Vietnamese.