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John Mersch III, MD
Practice accepting new patients.

John Mersch III, MD

(949) 388-1798
Primary Specialties
  • Pediatrics
    (Board Certified)
Medical Groups & Affiliations
  • Mission Hospital Affiliated Physicians
  • Southern OC Pediatric Assoc.
  • Additional Languages Spoken
    English

Primary Office

Address:
777 Corporate Drive, Suite 250
Ladera Ranch, CA 92694
Phone:
(949) 388-1798
Fax:
(949) 388-6495
Hours:
Monday through Friday:
8:00 a.m. - 4:30 p.m.
After hours care available in Ladera Ranch.
Web Page:
www.socpa.com

Secondary Office

Phone:
(949) 770-0513
Fax:
(949) 770-2941

Physician Bio*

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.

Education

Medical School:
University of Southern California

Internship:
Children’s Hospital, Los Angeles

Residency:
Children’s Hospital, Los Angeles, Pediatric Chief Resident

Certifications

American Board of Pediatrics

Areas of Expertise

Sports medicine, asthma, ADD

Areas of Interest

Pediatrics

Insurance ID Numbers

Aetna: 298055
Blue Cross: 0XL118
Blue Shield: 00G408870
CIGNA: 3502933014
CIGNA Select (SJH): 3502933016
Health Net: 3207024895
United Healthcare: 183520088

*Note: The data contained within an individual physician’s profile has been provided by that physician’s office. The information contained within the profile has been compiled from multiple sources deemed to be reliable, however the accuracy cannot be guaranteed or warranted by us or the health system. Please contact the physician’s office at the phone number above if you have any questions or to verify the information given. We or the health system are not liable or responsible for incorrect or inaccurate information supplied on the profile or for any reliance upon that information.

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