777 Corporate Drive, Suite 250
Ladera Ranch, CA 92694
Monday through Friday:
8:00 a.m. - 4:30 p.m.
After hours care available in Ladera Ranch.
Dr. Mersch says that even though the bureaucracy of pediatrics has changed
remarkably since his beginnings in private practice, it is still fun to
go into an exam room and interact with the patient and his/her parents.
University of Southern California
Children’s Hospital, Los Angeles
Children’s Hospital, Los Angeles, Pediatric Chief Resident
American Board of Pediatrics
Areas of Expertise
Sports medicine, asthma, ADD
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