About
Francis Rehor, MD grew up in Queens, NY and completed his undergraduate education at New York University. He earned his medical doctorate from the State University of New York at Upstate Medical University and finished his residency in internal medicine at Robert Wood Johnson Medical School/UMDNJ. He then spent seven years as a hospitalist at Princeton Medical Center, now Penn Medicine Princeton Health, before joining Princeton Lifestyle Medicine in 2015. Dr. Rehor remains an active staff member at Penn Medicine at Princeton.
He holds board certification from the American Board of Internal Medicine and has earned recognition from New Jersey Magazine as a Top Doctor in Internal Medicine. He believes healthy lifestyle changes form the foundation of wellness. He also recognizes that real-life obstacles can stand between patients and their goals, so he works with each patient to find practical solutions that fit their individual needs. Outside medicine, he enjoys gardening, swimming, and time with his family.
Education & Training
Undergraduate
New York University
Medical School
State University of New York at Upstate Medical University, M.D.
Residency
Residency in Internal Medicine, Robert Wood Johnson Medical School/UMDNJ
Certifications
Conditions Treated
Who is Dr. Rehor right for?
Dr. Rehor is a strong fit for adults who want a primary care physician with deep hospital medicine experience. Patients managing chronic conditions benefit from his practical, solutions-focused approach. He works especially well with patients who want lifestyle-based strategies tailored to their daily realities. Adults seeking a physician who blends preventive medicine with evidence-based internal medicine will find him a natural match.
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Frequently Asked Questions
Dr. Rehor specializes in internal medicine and preventive medicine. He integrates lifestyle medicine counseling into his clinical work, helping patients make sustainable health changes grounded in evidence.
Yes, Dr. Rehor holds board certification from the American Board of Internal Medicine.
Dr. Rehor earned his medical doctorate from the State University of New York at Upstate Medical University. He completed his residency in internal medicine at Robert Wood Johnson Medical School/UMDNJ.
Yes, New Jersey Magazine has recognized Dr. Rehor as a Top Doctor in Internal Medicine.
Dr. Rehor believes healthy lifestyle changes form the foundation of wellness. He acknowledges that real-life obstacles can stand between patients and their goals. He works with each patient to develop practical solutions suited to their individual circumstances.
Yes, Dr. Rehor spent seven years as a hospitalist at Princeton Medical Center, now Penn Medicine Princeton Health. He remains an active staff member at Penn Medicine at Princeton today.
Dr. Rehor treats a wide range of adult conditions within internal and preventive medicine. His focus includes chronic disease management, cardiovascular risk, and lifestyle-related conditions. He tailors treatment plans to each patient's health history and personal goals.
Doctor profile last updated March 21, 2026