Skokie Hospital

Lukas Peter Zebala, MD, an orthopaedic surgeon specializing in spine surgery at Endeavor Health, treats conditions affecting the cervical, thoracic and lumbar spine. He manages spinal stenosis, disc herniation and sciatica, and performs procedures including artificial disc replacement and spinal fusion. Dr. Zebala offers surgical solutions to help patients restore function and relieve back and neck pain.

Audrey Callahan, PA-C, a certified physician assistant specializing in emergency medicine at Endeavor Health, provides evaluation and treatment for patients with urgent and acute medical conditions. She assists in diagnosing and managing illnesses, injuries and other emergencies. Audrey works collaboratively with physicians and care teams to deliver timely, compassionate care in fast-paced emergency settings.

Andrew Ewbank, MD, an obstetrician gynecologist at Endeavor Health, provides care across all stages of pregnancy and women's health. He supports patients through childbirth, preventive screenings and ongoing gynecologic care. Dr. Ewbank emphasizes patient-centered decision-making, partnering with individuals to develop plans that reflect their goals and experiences. His clinical interests include labor and delivery, and advancing women's health.

Daniel Robert Kelley, MD, a sports medicine physician at Endeavor Health, specializes in the evaluation and treatment of musculoskeletal injuries. He manages both acute and chronic conditions through non-surgical care, including exercise prescriptions and ultrasound-guided joint injections. Dr. Kelley helps patients return to activity safely and improve physical function through individualized treatment strategies.

Tae Yeon Kim, MD, a physician specializing in pediatric hospital medicine at Endeavor Health, cares for children admitted to the hospital with acute and complex medical conditions. She collaborates with families and multidisciplinary teams to manage treatment plans, oversee diagnostics and provide ongoing monitoring. Dr. Kim’s role supports safe, coordinated care from admission through discharge.

Anjali Nicole Sarver, MD, an emergency medicine physician at Endeavor Health, provides acute care for patients experiencing urgent and life-threatening conditions. She is skilled in the rapid assessment, diagnosis and treatment of emergencies such as trauma, cardiac events and respiratory distress. Dr. Sarver works collaboratively with emergency teams to deliver timely interventions and coordinate follow-up care, supporting patients and families during critical moments.