JOHN MCNERNEY, M.D.
TUCSON GASTROENTEROLOGY SPECIALISTS, PC
Functional Medicine MDs
Male provider·Accepting new patients
Tucson, Arizona
Empowering patients to take control of their health through natural approaches.
Credentials & Training
Federally verified- Credential
- MD
- Medical school
- Northwestern University Feinberg Medical School
- Graduated
- 1984
- Medicare specialty
- Gastroenterology
- Group practice
- Tucson Gastroenterology Specialists, PC · 6 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked October 2026.
About
Dr. John McNerny, M.D. is a board-certified naturopathic physician specializing in functional medicine in Tucson, Arizona. He focuses on treating chronic conditions and promoting wellness through evidence-based treatments. As a leading expert in his field, Dr. McNerny provides comprehensive care to men and women.
Areas of Focus
Functional MedicineNaturopathyChronic Disease Management
Specialties
Patients Served
AdultsAll Ages
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