Sonoma County Orthopedic and Podiatric Specialists – Providers
Co-led by Dr. Chang, DPM, and Dr. Mazur, MD, the group is uniquely equipped to expertly diagnosis and treat both upper and lower extremity ailments. With over 40 years of combined experience, Dr. Mazur and Dr. Chang believe in giving each patient state-of-the-art medical care in a friendly and compassionate environment.
Thomas J. Chang, DPM
Dr. Thomas J. Chang is a board-certified and highly skilled podiatric surgeon with over 20 years of experience treating a wide range of foot and ankle conditions.
Kristina Corley DPM
Dr. Kristina Corley is fellowship trained in foot and ankle surgery and is passionate about helping her patients. She is ABFAS Board Qualified in Foot Surgery and Reconstructive Rearfoot and Ankle (RRA) Surgery.
Jonathan Kreger, DPM
Dr. Jonathan Kreger is a board-certified podiatry specialist who attained his doctorate of podiatric medicine from the California College of Podiatric Medicine.
Cynthia Lai, PA-C
Cynthia is a Bay Area native and has called San Francisco home for the majority of her life. She completed her Bachelor of Science in Chemistry at the University of California, Santa Cruz, and later earned her Master of Physician Assistant Studies from the University of the Pacific in Sacramento.
Kai Mazur, MD
Dr. Kai Mazur specializes in treatment of disorders of the hand, elbow, and shoulder and is considered one of Northern California's leading experts in Hand and Upper-Extremity surgeries.
Anu Oberoi, DPM
Dr. Anu Oberoi enjoys helping patients get back on their feet. She has a vast knowledge base of both clinical and surgical experience.
Rena Ribeiro, OT
Rena Ribeiro is an Occupational Therapist (OTR/L) with a skilled background in the specialty of upper extremity rehabilitation.
Cynthia Syiek, MA, OTR/L, CHT Certified Hand/Occupational Therapist
Cynthia Syiek is skilled in treating most all hand and elbow injuries/conditions and enjoy fabricating all types of orthoses.