As an emergency medicine specialist in Ontario, CA, Dr. William Keyser treats a wide range of acute conditions or injuries in an emergency room.
Yes, Dr. William G. Keyser is accepting new patients at this office.
(559) 225-4710
1101 S Milliken Ave C, Ontario, CA 91761
Dr. Keyser has one office in California where he specializes in Emergency Medicine.
Dr. Keyser works with twenty-two doctors including Dr. John Fletcher and Dr. Lawrence Piazza.
Specializing in emergency medicine, Dr. Keyser is prepared to treat patients suffering from a wide range of acute illnesses, injuries or conditions. Emergency physicians, or ER doctors, must incorporate knowledge and experience gained across a broad range of medical topics. Care is typically provided in the emergency room of a hospital.