Academic Foundations
Dr. Mercer combines gold-standard clinical diagnostics with investigative research to address chronic gut dysfunction at its biological source.
Board Certification
Clinical Research
Advanced Endoscopy
Former lead investigator of microbiome integrity trials at the University Hospital, publishing peer-reviewed clinical data.
Fellowship-trained in high-definition diagnostic procedures, preventative colonoscopies, and targeted therapeutic interventions.
Certified in Gastroenterology and Hepatology by the American Board of Internal Medicine, specializing in mucosal healing.
Clinical Timeline
A chronological record of academic appointments, clinical research contributions, and the evolution of our investigative medicine approach.
2018 — Present
Established Mercer Gastroenterology as an independent clinical hub. Focuses on patient-specific medicine, combining high-definition diagnostic procedures with structured virtual programs for complex gut-brain axis disorders.
Private Practice Founder
2012 — 2018
Served as clinical faculty in the Division of Gastroenterology. Directed the microbiome research laboratory, teaching investigative medicine and publishing core papers on mucosal healing and barrier integrity.
Associate Professor of Medicine
2009 — 2012
Completed advanced fellowship training at the Academic Medical Center. Specialized in complex inflammatory disorders, diagnostic colonoscopy, and therapeutic endoscopy under leading clinical researchers.
Clinical GI Fellowship
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