Dr. Mary Ann Trephan MD

  • Emergency Medicine Northridge, CA

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Dr. Mary Ann Trephan, MD is a Doctor primarily located in Northridge, CA. She has 20 years of experience. Her specialties include Emergency Medicine. Dr. Trephan is affiliated with Northridge Hospital Medical Center, Roscoe Boulevard Campus and John Muir Medical Center-Concord Campus. She speaks English.


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Specialties & Expertise

Dr. Mary Ann Trephan has the following 1 specialty.

Emergency Medicine

An emergency physician is a doctor who is an expert in handling conditions of an urgent and extremely dangerous nature. These specialists work in the emergency room (ER) departments of hospitals where they oversee cases involving cardiac distress, trauma, fractures, lacerations and other acute conditions.
Emergency physicians are specially trained to make urgent life-saving decisions to treat patients during an emergency medical crisis. These doctors diagnose and stabilize patients before they are either well enough to be discharged, or transferred to the appropriate department for long-term care.

Locations & Directions

18300 Roscoe Blvd
Northridge, CA 91325

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