About
Dr. Marie Hughes is a board-certified family medicine physician practicing in Saint Helena, California. She earned her Bachelor of Science in Biological Sciences from the University of California, Davis in 2003, graduating with honors. She then completed a Master of Science in Medical Science at Drexel University College of Medicine in Philadelphia before pursuing her medical degree. She earned her Doctorate of Osteopathic Medicine from Touro University College of Medicine in Vallejo in 2011.
Dr. Hughes completed both her internship and Family Medicine residency at UC Davis in Merced, finishing in 2014. Her osteopathic training shapes a whole-body philosophy she applies across all patient care. She holds a strong clinical interest in type 2 diabetes and weight management, and she recognizes the connection between obesity, inflammation, and cardiovascular disease. Dr. Hughes speaks English and offers basic communication in Spanish. She participated in a medical mission to Nicaragua and Costa Rica in 2004 and has contributed published research in ophthalmic science. Outside the office, she enjoys outdoor activities with her family.
Education & Training
Undergraduate
University of California, Davis — B.S. Biological Sciences, 2003 (Graduated with Honors)
Medical School
Touro University College of Medicine, Vallejo, CA — Doctorate of Osteopathic Medicine, 2011
Residency
Family Medicine, University of California, Davis, Merced, CA, 2012-2014
Additional Training
Internship: University of California, Davis, Merced, CA, 2011-2012; Postgraduate: Drexel University College of Medicine, Philadelphia, PA — Master of Science, Medical Science, 2007
Certifications
Languages
English, Spanish (basic communication)
Conditions Treated
Who is Dr. Hughes right for?
Dr. Hughes is a strong fit for adults seeking proactive, whole-body primary care in the Napa Valley area. Patients managing type 2 diabetes, obesity, or cardiovascular risk benefit most from her clinical focus. Her osteopathic background appeals to those who want an integrative perspective alongside evidence-based medicine. Patients who value same-day access and longer appointment times will find her MDVIP model well suited to their needs.
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Frequently Asked Questions
Dr. Hughes carries particular expertise in type 2 diabetes, weight management, and cardiovascular risk. She also manages chronic conditions, obesity, and inflammation. Her osteopathic training informs a whole-body approach that connects these conditions and supports long-term prevention.
Yes. Dr. Hughes holds board certification from the American Board of Family Medicine. She completed her Family Medicine residency at UC Davis in Merced, California, finishing in 2014.
Dr. Hughes earned her Doctorate of Osteopathic Medicine from Touro University College of Medicine in Vallejo, California. She completed her internship and residency at the University of California, Davis in Merced. She also holds a Master of Science in Medical Science from Drexel University College of Medicine.
Dr. Hughes takes a whole-body, osteopathic approach to care. She combines evidence-based medical science with preventive wellness strategies tailored to each patient. Her goal is to help patients understand the root connections between chronic conditions and take a proactive role in their health.
Dr. Hughes conducts care in English and offers basic communication in Spanish.
Type 2 diabetes is one of Dr. Hughes's primary clinical interests. She focuses on the relationship between diabetes, obesity, and inflammation, and their role in cardiovascular disease. She works with patients on both medical management and lifestyle strategies to address these interconnected conditions.
Yes. Dr. Hughes maintains affiliation with St. Helena Hospital in Saint Helena, California.
Dr. Hughes built her practice around a whole-body philosophy rooted in her osteopathic training. She focuses on prevention and chronic disease management, particularly conditions like type 2 diabetes and obesity that benefit from sustained, relationship-driven care.
Doctor profile last updated June 6, 2026