About
John W. Norris III, MD FACP has practiced internal medicine for nearly 30 years, building a career that spans academic leadership, hospital medicine, and community-based primary care. He trained at Rutgers New Jersey Medical School and stayed on as faculty for more than a decade. During that time, he rose to Associate Medical Director for Ambulatory Care at University Hospital in Newark, NJ, where he coordinated clinical operations for faculty and students and founded the hospital's Primary Care Group.
Dr. Norris holds fellowship status in the American College of Physicians. His work has drawn national attention, earning features in the New York Times and on NBC Nightly News. He published a News and Perspectives piece in JAMA in April 2017, and his research into Antibiotic Dependent Insects and antibiotic-resistant bacterial risk has generated further public interest. He left academia in 2004 and moved to the Florida Keys, a region he first fell in love with as a teenager visiting his grandfather in Islamorada. He opened his Key West practice in 2005 and serves as an attending physician at Lower Keys Medical Center. He resides in Key Haven with his wife Kathryn and their two daughters.
Education & Training
Medical School
Rutgers New Jersey Medical School
Additional Training
Faculty at Rutgers New Jersey Medical School for more than 10 years; Associate Medical Director for Ambulatory Care at University Hospital, Newark, NJ
Certifications
Conditions Treated
Who is Dr. Norris III right for?
Dr. Norris is a strong fit for adults 18 and older who want a single physician managing both their everyday and complex medical needs. Patients dealing with diabetes, hypertension, or infectious disease benefit from his deep chronic disease experience. He also serves patients who need hospital-level coordination, handling admissions and follow-up directly at Lower Keys Medical Center. Anyone who values thorough, unhurried visits and direct physician access will find his practice well-suited to their needs.
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Frequently Asked Questions
Dr. Norris treats a broad range of conditions, from routine physicals and diabetes management to complex, life-threatening hospital-based diseases. He handles hypertension, infectious disease, skin rashes, cardiac concerns, and men's and women's health issues. His internal medicine background equips him to manage both straightforward and complicated cases within the same practice.
Dr. Norris holds fellowship status in the American College of Physicians, designated by the FACP credential. He trained at Rutgers New Jersey Medical School and spent more than a decade on faculty there before moving to Key West. He has practiced internal medicine since 2005.
Dr. Norris trained at Rutgers New Jersey Medical School. After completing his training, he remained on faculty for more than 10 years. He also served as Associate Medical Director for Ambulatory Care at University Hospital in Newark, NJ, and founded the hospital's Primary Care Group.
Yes. Dr. Norris serves as an attending physician at Lower Keys Medical Center in Key West. When members require hospitalization, he coordinates care directly with the hospital team, ensuring continuity between inpatient and outpatient settings.
Dr. Norris takes a proactive, hands-on approach to chronic conditions like diabetes and high blood pressure. He schedules close follow-up, communicates with patients between visits, and adjusts treatment plans based on ongoing monitoring. Patients with new diagnoses receive particularly intensive early support.
Dr. Norris published a News and Perspectives piece in JAMA in April 2017. He has also conducted active research into Antibiotic Dependent Insects and the risk those organisms pose in spreading antibiotic-resistant bacteria. His work has drawn coverage from the New York Times and NBC Nightly News.
Dr. Norris sees adults 18 and older living in Key West and the Lower Keys. His patient base includes people managing chronic conditions, those seeking thorough preventive care, and patients who need a physician capable of handling both routine and complex medical needs.
Yes. When members travel away from Key West, Dr. Norris continues to offer medical support remotely. He communicates with local providers on the patient's behalf and uses video tools including FaceTime, Zoom, and secure encrypted video to maintain care continuity from a distance.
Doctor profile last updated June 11, 2026