Profile
Cassidy Sullivan, MD
Obstetrics and Gynecology Care in Long Beach
Cassidy Sullivan, MD specializes in obstetrics and gynecology, providing clinical care across the full scope of women’s health. With a foundation in evidence-based practice, Dr. Sullivan addresses routine gynecologic needs, pregnancy management, and complex reproductive health concerns. Her background reflects training in both surgical and nonsurgical approaches to treatment, enabling her to tailor care to individual patient circumstances.
Focus on Clinical Communication and Relationship Building
Dr. Sullivan emphasizes clear dialogue between provider and patient throughout the treatment process. This approach helps patients understand their diagnosis, available options, and expected outcomes before proceeding with any intervention. The practice prioritizes taking time to answer questions and ensuring that clinical decisions reflect the patient’s values and preferences. Strong communication supports informed decision-making and helps build confidence in the care relationship over time.
Based in Long Beach, the practice serves patients seeking obstetric and gynecologic care from a female physician. Dr. Sullivan maintains an office-based setting designed to support patient needs across preventive care, acute concerns, and ongoing management of gynecologic conditions.






