Brooke Ann Nichols, MD

Ronald Castillo Tejada, Jr, MD, located in Long Beach, CA, offers affordable and personalized healthcare services, including primary care, specialty care, urgent care, and virtual care. The practice is dedicated to helping patients navigate their healthcare needs efficiently and effectively. In addition to medical services, the facility provides resources for managing healthcare expenses, including financial accounts and pharmacy services, ensuring that patients receive the medications they need conveniently. Their commitment to patient support extends to various age groups, including adults and children, making healthcare accessible for all. Generated from the website

Michael Potruch, MD, is board certified in obstetrics and gynecology. Dr. Potruch earned his medical degree from the Chicago Medical School at Rosalind Franklin University. He completed his internship in general surgery at Monmouth Medical Center in New Jersey, and his ob/gyn residency at Hahnemann University Hospital in Philadelphia. In addition to English, Dr. Potruch speaks medical Spanish.

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 patients to take an active role in their healthcare decision-making. As a physician, she is most proud of 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.