Mara Fernández-Santiago, MD

Primary Practice Location:

Olentangy Office

3400 Olentangy River Road

Columbus, Ohio 43202

Dr. Mara Fernández-Santiago joined Ohio Gastroenterology Group, Inc. in 2022. She earned her medical degree from the University of Puerto Rico School of Medicine. She then completed her residency at the University of Puerto Rico. Dr. Fernández-Santiago then completed her fellowship at the Medical College of Wisconsin.


Professional Training:

  • Medical College of Wisconsin, Gastrointestinal, Liver & Pancreatic Pathology Fellowship, 2021 – 2022
  • University of Puerto Rico School of Medicine, Residency, 2011 – 2014


  • University of Puerto Rico School of Medicine – MD, 2011
  • Universidad Del Sagrado Corazon – BS, 2004

Board Certification:

  • American Board of Pathology-Anatomic, 2017 – present

Phone: 614-754-5500

Scheduling: 614-754-5600

Billing: 614-457-4220

Medical Records: 614-754-5455

Hours of Operation: 8:00am – 4:30pm