At Sun Urology, we are proud to serve as a leading men’s health clinic in Orange County, CA. With over a decade of experience, our dedicated team provides the highest quality urologic care to our patients. From comprehensive urologic services to specialized men’s health treatments, we are committed to addressing the unique needs and concerns of men. Schedule an appointment... Read More about Sun Kim, MD

Eric Bekemeier, DO, studied osteopathic medicine at Touro University in San Francisco and went on to complete his residency in family medicine at Pomona Valley Hospital Medical Center/UCLA in Pomona. His passion for medicine was sparked by a lifelong fascination with biology and nutrition. In his role as a physician, he finds great fulfillment in problem-solving and connecting with his... Read More about Eric Bekemeier, DO

Leah Phan, DO loves interacting with individuals, building rapport and guiding people to a healthier lifestyle. She was inspired by her peers while contributing to the UCLA Mobile Clinic Project and the Vietnamese Community Health Project, which introduced her to family medicine physicians and other local providers in the community. In addition to family medicine, Dr. Phan is passionate about... Read More about Leah Phan, DO

OC Urology is a urology clinic in Orange County that provides patients with the highest quality of care. Our urologists in Santa Ana have extensive experience diagnosing and treating patients that face a range of urologic conditions. Our team uses state-of-the-art technology to accurately diagnosis and treat your condition. OC Urology is equipped with highly trained staff that makes going... Read More about OC Urology

Lisa Chau, PA-C, is a certified physician assistant. She earned her PA license at A.T. Still University in Mesa, Arizona. Lisa was drawn to medicine because of her past. As a product of an underserved population, Lisa grew up watching her neighbors struggle without health insurance. She wishes to be an advocate for those in similar situations and backgrounds. Lisa... Read More about Lisa Chau, PA

Kanti Charugundla, PA-C, is a board-certified physician assistant. Kanti received her Master of Science in Physician Assistant Studies degree from Touro University College of Osteopathic Medicine in Vallejo, California. In her spare time, she enjoys running, playing the piano and classical Bharata Natyam dancing. In addition to English, Kanti speaks fluent Spanish and Telugu.

Edward Etzkorn, MD, is board certified in internal medicine. Dr Etzkorn earned his medical degree from Georgetown University School of Medicine in Washington, DC. He completed his internship at St. Clare's Hospital in Schenectady, New York and did his residency at District of Columbia General Hospital in Washington, DC. In addition to spending time with his family, Dr. Etzkorn enjoys... Read More about Edward R Etzkorn, MD

Editha Tanig-Sanjongco, NP-C, is a certified nurse practitioner with more than 20 years of nursing experience. Editha earned her Master of Science in Nursing degree from the University of Phoenix in Costa Mesa. Editha loves the nursing profession and helping her patients achieve their best possible health. In her spare time, she enjoys traveling and spending time with her family... Read More about Editha Tanig-Sanjongco

Haseena Mirza, PA-C, is a certified physician assistant. Haseena earned her Master of Science degree in physician assistant studies from Touro University California. Patients say they are impressed with the empathy that Haseena shows them at their appointments. She believes strongly in an active patient-practitioner relationship to achieve optimum health. Haseena also stresses the vital role that a healthy lifestyle... Read More about Haseena B Mirza, PA

Our unwavering commitment is to uphold the highest standards of surgical excellence and patient satisfaction. We continuously strive for improvement and excellence in all aspects of our practice. Providing a safe and comfortable environment is paramount to us. From pre-op preparations to post-op care, we strive to create a reassuring atmosphere for our patients and their families.

Xinhe Wei is a hematology and oncology nurse practitioner based in Orange, California. She believes in individualized, patient-centered care built on trust and clear communication. By tailoring care to each patient's unique needs, she ensures every individual receives thoughtful, personalized attention.

Thuyvan Lam Nguyen, DO, is board certified in internal medicine. Dr. Nguyen earned her medical degree from Western University of Health Sciences in Pomona. She completed her internship and residency at Loma Linda University Medical Center in California. Dr. Nguyen chose a career in medicine because she believes it is one of the most challenging yet rewarding professions. Patients say... Read More about Thuyvan Lam Nguyen, MD

Khanh Nguyen, MD, is board certified in internal medicine. He is a hospitalist and has more than 10 years of experience. Dr. Nguyen earned his medical degree from Uniformed Services University of the Health Sciences F. Edward Hebert School of Medicine in Maryland. He completed his internship and residency at Naval Medical Center in San Diego. Dr. Nguyen's military experience... Read More about Khanh Van Nguyen

Hsuan-Wen Cathy Huang, MD, is board certified in pulmonology, critical care, and internal medicine. Dr. Huang earned her medical degree from UCLA School of Medicine where she also completed an internship, residency, and a fellowship. Dr. Huang emphasizes patient education in her practice. In addition to English, Dr. Huang speaks Mandarin and Taiwanese.

Ronnie Alas, MD, practices internal medicine and is a hospitalist. Dr. Alas earned his medical degree from Universidad Autonoma de Guadalajara School of Medicine in Mexico. He completed his internship and residency at St. Mary Medical Center in Long Beach. Dr. Alas became a hospitalist because he is strongly motivated to help critically ill patients. His patients say that he... Read More about Ronnie Alexander Alas, MD