Mary Ann H Trephan MD
- Emergency Medicine Northridge, CA
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Mary Ann H Trephan, MD is a Doctor primarily located in Northridge, CA. Their specialties include Emergency Medicine. Mary Ann H Trephan is affiliated with Northridge Hospital Medical Center, Roscoe Boulevard Campus.
Specialties & Expertise
Mary Ann H Trephan has the following 1 specialty.
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.