Your emergency medicine specialists

Board-certified, residency-trained emergency physicians are available 24/7 to meet your emergency care needs.

About Us

At Allied Emergency Physicians, our mission is to provide the highest quality emergency medical care to the diverse population of Simi Valley and the surrounding area. We strive to exceed the expectations of our patients by delivering compassionate, efficient, and personalized service. As a trusted partner of Adventist Health Simi Valley, we are dedicated to promoting the health and well-being of our community by meeting the physical, mental, and spiritual needs of every individual we serve.


As a trusted team of emergency physicians at Adventist Health Simi Valley, we are committed to providing exceptional care to our patients when they need it the most. Our skilled and compassionate team offers a wide range of emergency medical services to ensure that you receive the best possible care in your time of need.

Comprehensive Stroke Center

As a comprehensive stroke center, our hospital has met the rigorous standards set forth by the Joint Commission for providing advanced care to patients experiencing stroke, including a dedicated stroke team, 24/7 availability of specialized treatments, and a commitment to ongoing education and research in the field of stroke care.

STEMI Receiving Center

As a STEMI receiving center, our emergency department has demonstrated a commitment to providing rapid and effective treatment for patients experiencing ST-elevation myocardial infarction (STEMI), a serious form of heart attack. Our team of skilled emergency physicians and cardiac specialists is dedicated to providing timely diagnosis, intervention, and ongoing care to improve outcomes and save lives.

Fast Track

For patients with less severe complaints, our emergency department offers a fast track area where they can receive prompt evaluation and treatment, allowing them to get the care they need and return to their daily activities as quickly as possible.

Quality Sepsis Care

We are committed to providing the highest quality care for patients with sepsis, utilizing the latest guidelines from the Surviving Sepsis Campaign to ensure timely and effective treatment that can improve outcomes and save lives.


Our emergency physician group is here to provide the highest quality care when you need it most. Meet our team of compassionate and skilled doctors.

Andy Bourgeois, MD

Education Director

University of California, Irvine School of Medicine

Henry Ford Hospital Residency

Adrian Danescu, MD

Carol Davila University of Medicine and Pharmacy

Albert Einstein College of Medicine at Beth Israel Residency

Hossein Gharakhani, DO

Kansas City University School of Medicine

Anthony Ho, DO

Touro University California

Arrowhead Regional Medical Center Residency

Alan Kuban, MD

University of South Florida Morsani College of Medicine

University of Colorado Residency

Joyce Norman, MD

Universidad de Guadalajara Medical School

UCLA-VA Greater Los Angeles Residency, Internal Medicine

Medical College of Georgia Residency, Emergency Medicine

Barry Pollack, MD

University of Oklahoma College of Medicine

University of Southern California/LACUSC Medical Center Residency

Mark Russell, MD

University of California, Irvine, School of Medicine

Los Angeles County-Harbor-UCLA Medical Center Residency

Nancy Sun, MD

Managing Director

George Washington University School of Medicine

University of Pennsylvania Health System Residency

Ira Tilles, MD

Assistant Medical Director

George Washington University School of Medicine

David Grant Medical Center Residency, Surgery

San Antonio Uniformed Services Health Education Consortium Residency, Emergency Medicine

Alfred Yu, MD

Medical Director

Chicago Medical School/Rosalind Franklin University of Medicine Science

Cook County Health and Hospitals System Residency

Advanced Practice Providers

Our advanced practice providers play an integral role in our commitment to providing exceptional care. Meet the team that helps make it happen.

Bobby Anderson, PA-C

Laura Hamilton, NP

Lillian Ghosh

Shawn Graciano

Tanner Green, PA-C

Emily Murphy, NP

Fabio Mazzarelli, PA-C

Saman Movahedi

Kathleen Nelson, PA-C

Klar Pasilaban, PA-C

Andrea Ramirez, NP

Hillary Runnels, PA-C

Lead PA

Eugene Song, PA-C

Ryan Vickers, PA-C

Interested in joining our team?

Please email us your CV to be considered for a position as an emergency physician or advanced practice provider.