Kathleen Tzan MD at Kaiser Permanente is a trusted healthcare provider located at 3401 South Harbor Boulevard in Santa Ana, California. Dr. Tzan offers comprehensive medical care with a focus on promoting wellness and treating a wide range of health conditions. Patients can expect personalized and compassionate care in a comfortable and modern facility. Whether you need a routine check-up or treatment for a specific ailment, Dr. Tzan and her team are dedicated to helping you achieve optimal health.