Dr. Mark Daniel O'Brien DO Pediatrician

Dr. Mark O'Brien is a pediatrician in Fort Wayne, Indiana and is affiliated with Keokuk Area Hospital. He received his medical degree from A. T. Still University Kirksville College of Osteopathic Medicine and has been in practice for 24 years. He is one of 3 doctors at Keokuk Area Hospital who specialize in Pediatrics.

Are you Dr. O'Brien? Claim/Edit Profile

Office Location

See Contact Information

Specialty & Clinical Interests

Pediatrician: Adolescent Medicine

Hospital Affiliation

Keokuk Area Hospital

Education & Medical Training

Tod Children's Hospital
Residency, Pediatrics, 1990–1993

A. T. Still University Kirksville College of Osteopathic Medicine
Class of 1990

Certifications & Licensure

American Board of Pediatrics
Certified in Pediatrics

IN State Medical License
Active through 2015


Report a Correction — If you are aware of information on this page that is out of date or incorrect, please let us know.

Patient Advice & Support


See More
Our Doctor Finder includes most U.S. physicians. Doctors are not ranked, learn more.

Nearby Pediatricians

See all Pediatricians near Fort Wayne, IN See all Pediatricians in Indiana

Your Message Has Been Submitted

As part of our research on the correction you submitted, you may be contacted at the email address provided.

Sorry, Your Message Could Not Be Submitted

Please try again later, or E-mail your message to doctors@usnews.com and include the Web address (URL) of the page that contains incorrect information.