About
Dr. Jonathan Wheeler has practiced family medicine in the Napa Valley for over 25 years. He earned his Bachelor of Science in Psychology from Pacific Union College in Angwin, California in 1984. He then earned his Doctorate of Medicine from Loma Linda University in 1988. He completed both his internship and his Family Medicine residency at Loma Linda University, where the program selected him as Chief Resident from 1989 to 1991.
Dr. Wheeler holds dual board certifications as a Diplomat of the American Board of Family Medicine and a Diplomat of the National Medical Board. He is passionate about nutrition, lifestyle medicine, and geriatric care. His professional leadership runs deep: he served as President of the Napa Valley Medical Group from 2016 to 2023 and as President of the Napa County Medical Society from 2009 to 2010. Sonoma State University recognized him with its Distinguished Clinical Instructor Award in 2013-2014, and the Napa County Medical Society named him Physician of the Year in 2012. He also served as Adjunct Assistant Professor of Family Medicine at Touro University College of Osteopathic Medicine from 2019 to 2024. Outside medicine, Dr. Wheeler enjoys scuba diving, hiking, backpacking, gardening, tending his backyard chickens, and spending time in nature.
Education & Training
Undergraduate
Pacific Union College, Angwin, CA – Bachelor of Science, Psychology 1984
Medical School
Loma Linda University, Loma Linda, CA – Doctorate of Medicine 1988
Residency
Family Medicine, Loma Linda University, Loma Linda, CA 1989-1991 (Chief Resident)
Additional Training
Internship: Loma Linda University, Loma Linda, CA 1988-1989
Certifications
Conditions Treated
Who is Dr. Wheeler right for?
Dr. Wheeler is an excellent fit for adults who want a long-term relationship with a family physician they can truly rely on. Patients managing chronic conditions, nutritional challenges, or age-related health concerns benefit from his geriatric and lifestyle medicine expertise. Older adults in particular will find his depth of experience in geriatric care valuable. Anyone who wants same- or next-day access, after-hours availability, and comprehensive preventive screenings will feel well served in his practice.
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Frequently Asked Questions
Dr. Wheeler focuses on family medicine, geriatric conditions, nutritional disorders, and lifestyle-related health concerns. He brings over 25 years of clinical experience to each of these areas. His practice also delivers comprehensive health screenings and diagnostic testing that go well beyond standard preventive care.
Yes. Dr. Wheeler holds board certification as a Diplomat of the American Board of Family Medicine and as a Diplomat of the National Medical Board. He earned both credentials after completing his residency training at Loma Linda University, where he served as Chief Resident.
Dr. Wheeler earned his medical degree from Loma Linda University in 1988. He completed his internship there in 1988-1989, then finished a Family Medicine residency at Loma Linda University from 1989 to 1991. The program selected him as Chief Resident during that residency.
Dr. Wheeler has served patients in the Napa Valley area for over 25 years. He built his practice in St. Helena, California, and has maintained deep ties to the local medical community throughout that time.
Dr. Wheeler views primary care as a calling rather than simply a profession. He treats each patient with the attention he would give a family member. His approach emphasizes partnership, helping patients pursue health and wellness with personalized, relationship-driven care.
Yes. Dr. Wheeler served as President of the Napa Valley Medical Group from 2016 to 2023 and as President of the Napa County Medical Society from 2009 to 2010. He also served as Chairman of the Department of Medicine at St. Helena Hospital from 2001 to 2002 and held teaching roles at UC Davis, Loma Linda University, and Touro University College of Osteopathic Medicine.
Yes. The Napa County Medical Society named Dr. Wheeler Physician of the Year in 2012. Sonoma State University awarded him its Distinguished Clinical Instructor Award in 2013-2014. These honors reflect his standing in both clinical practice and medical education.
Dr. Wheeler has extensive teaching experience. He served as a Clinical Instructor at Loma Linda University, the University of California Davis, and Sonoma State University. He also held an Adjunct Assistant Professor position at Touro University College of Osteopathic Medicine from 2019 to 2024.
Doctor profile last updated June 6, 2026