Healthcare Partners: Chow Raymond MD

Mary Lockard, NP, GNP, is a nurse practitioner certified in geriatrics. She earned her nurse practitioner certificate from Western University of Health Sciences in Pomona. Mary's practical experience includes a specialty in wound care. She also worked in rural healthcare management on a Native American reservation. She believes strongly in a holistic, patient-centered approach to healthcare decision-making. She also enjoys traveling, bicycling, gardening, and spending time with her three daughte

Joanna Tan, MD, is board certified in internal medicine. Dr. Tan earned her medical degree from the University of Calgary, Faculty of Medicine in Canada. She completed her internship at the Cleveland Clinic and her residency at St. Mary Medical Center in Long Beach. Dr. Tan became a physician because she enjoys helping people. Her patients describe her as compassionate and friendly, and say that she has a great sense of humor. Dr. Tan believes strongly in patient education and empowers her patie being chosen as the Chief Resident at St. Mary Medical Center in Long Beach, during her residency. In her spare time, she enjoys performance arts, learning about different cultures, and spending time with her family. In addition to English, Dr. Tan is fluent in Malay.