About
Dr. Fritz Lemoine grew up in Nashville, Tennessee, in a family of physicians. He completed his undergraduate education at Vanderbilt University and earned his medical degree from George Washington University School of Medicine. His residency training took place at the University of Miami/Jackson Memorial Hospital, where he later served as Associate Professor of Medicine in 1995.
Board certified by the American Board of Internal Medicine, Dr. Lemoine specializes in internal medicine, preventive medicine, and functional medicine. He is particularly passionate about diabetes management and functions as a diabetologist. He spent over a decade in private internal medicine practice in Clarksville, Tennessee, before relocating to Naples. His career includes multiple medical directorships, including Medical Director of the Diabetes Education Task Force at Gateway Medical Center and Chief of Medicine roles. He chaired the Department of Internal Medicine at Gateway Medical Center for several years and served on the Board of Trustees of that hospital. He previously served as Medical Advisor and Board Member for the Clarksville American Cancer Society. Patients consistently describe him as thorough, compassionate, and available around the clock. He founded Personal Healthcare of Naples in 2020 alongside his wife Miriam, building a practice centered on trust and genuine physician-patient connection.
Education & Training
Undergraduate
Vanderbilt University
Medical School
George Washington University School of Medicine
Residency
University of Miami/Jackson Memorial Hospital
Additional Training
Associate Professor of Medicine, University of Miami/Jackson Memorial Hospital (1995)
Certifications
Conditions Treated
Who is Dr. Lemoine right for?
Dr. Lemoine is a strong fit for adults seeking a physician with deep expertise in diabetes diagnosis and management. Patients managing chronic conditions such as hypertension, metabolic disorders, or complex preventive health needs benefit from his functional medicine approach. He works well with adults who want a physician available around the clock and responsive to their concerns. Patients who value long-term relationship-driven care and thorough, unhurried visits will feel at home in his practice.
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Frequently Asked Questions
Dr. Lemoine specializes in internal medicine, preventive medicine, and functional medicine. He has particular expertise in diabetes management and functions as a diabetologist. He also treats a broad range of chronic conditions common in adult patients, including metabolic and cardiovascular concerns.
Yes. Dr. Lemoine holds board certification from the American Board of Internal Medicine. He earned his medical degree from George Washington University School of Medicine and completed his residency at the University of Miami/Jackson Memorial Hospital.
Dr. Lemoine completed his undergraduate studies at Vanderbilt University. He earned his medical degree at George Washington University School of Medicine. He then completed his residency at the University of Miami/Jackson Memorial Hospital, where he later served as Associate Professor of Medicine.
Dr. Lemoine approaches diabetes as a diabetologist, not just a generalist. He focuses on thorough diagnosis, individualized management plans, and long-term monitoring. He previously served as Medical Director of the Diabetes Education Task Force at Gateway Medical Center, giving him deep institutional experience in this area.
Dr. Lemoine believes patients deserve time, attention, and a physician who treats them as people. He integrates internal medicine with preventive and functional medicine approaches. His goal is to identify root causes and address them proactively rather than reactively.
Dr. Lemoine has practiced internal medicine for several decades. He spent over a decade in private practice in Clarksville, Tennessee, before founding Personal Healthcare of Naples in 2020. He also held academic, administrative, and leadership roles throughout his career, including department chair and chief of medicine positions.
Yes. Dr. Lemoine served as Medical Director of the Diabetes Education Task Force at Gateway Medical Center and chaired its Department of Internal Medicine. He held Chief of Medicine roles and served on the Board of Trustees at Gateway Medical Center. He also served as a Board Member for the Clarksville American Cancer Society.
Yes. Dr. Lemoine includes functional medicine as one of his core specialties. He uses this approach to understand the underlying causes of chronic conditions rather than focusing solely on symptom management. This perspective informs how he builds care plans for his adult patients.
Doctor profile last updated March 21, 2026