John A Leonard MD

  • Emergency Medicine Antioch, CA

Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. John A Leonard xhas an overall rating of 3.8.


John A Leonard, MD is a Doctor primarily located in Antioch, CA, with other offices in Walnut Creek, CA and Carmichael, CA (and 2 other locations). Their specialties include Emergency Medicine. John A Leonard is affiliated with John Muir Medical Center, Walnut Creek Campus.

Specialties & Expertise

John A Leonard 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

3901 Lone Tree Way
Antioch, CA 94509

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598

6501 Coyle Ave
Carmichael, CA 95608

4001 J St
Sacramento, CA 95819

7500 Hospital Dr
Sacramento, CA 95823