Emergency Medicine

Allyson Elayne Peterson, MD, an emergency medicine physician at Endeavor Health, provides immediate care for patients facing urgent or life-threatening conditions. She is experienced in managing a wide range of medical emergencies, including trauma, cardiac events and acute illnesses. Dr. Peterson works in fast-paced clinical settings to deliver timely, evidence-based treatment in collaboration with multidisciplinary care teams.

Ramin Chitsaz, MD, an emergency medicine physician at Endeavor Health, provides rapid assessment and treatment for patients with urgent and life-threatening conditions. Dr. Chitsaz is skilled in managing a broad spectrum of emergencies, from trauma and cardiac events to acute infections and injuries. He works to stabilize patients and coordinate appropriate follow-up care.

Rosemary Guerguerian, MD, an emergency medicine specialist at Endeavor Health, provides urgent care for patients experiencing acute illnesses and injuries. Dr. Guerguerian is trained to quickly assess and stabilize patients, coordinating with hospital teams to deliver appropriate care in high-pressure situations. She also speaks Armenian, which supports effective communication with a broader range of patients.

John A. Vasko, MD, an emergency medicine physician at Endeavor Health, provides urgent care for patients with acute illnesses and injuries. He is trained in rapid assessment, diagnostic testing and stabilization of patients in emergency settings. Dr. Vasko works with emergency department staff and specialists to ensure timely and effective treatment. His expertise supports patients in critical situations and helps guide safe transitions to ongoing care when needed.

Marcus Eugene Emebo, MD, a physician specializing in emergency medicine at Endeavor Health, provides acute care for patients experiencing urgent and life-threatening conditions. Dr. Emebo is trained to rapidly assess and treat a wide range of medical emergencies, from trauma and cardiac events to infections and injuries. He delivers prompt, expert care to support patients in critical situations.

Gabriel J. Stahl, MD, an emergency medicine physician at Endeavor Health, provides comprehensive care for patients with urgent and life-threatening conditions. He has experience managing a wide range of emergencies and works quickly to assess, stabilize and treat patients in critical situations. Dr. Stahl collaborates with specialists across disciplines to ensure patients receive the care they need during urgent and complex medical events.