About
Dr. David Fields founded Heritage Family Medicine in Brainerd, Minnesota to deliver the kind of whole-person primary care his family has practiced for generations. D. in 2019 and holds board certification in Family Medicine. His residency training covered both Family Medicine and Lifestyle Medicine through Texas Tech University Health Sciences Center. He also built substantial clinical experience working in emergency rooms before opening his practice.
Dr. Fields treats patients of every age, from young children through seniors, and coaches each patient on the lifestyle pillars he believes drive long-term health: nutrition, hydration, exercise, sleep hygiene, mental health, and relational wellness. He is passionate about addressing root causes rather than reaching for a prescription first. Beyond medicine, Dr. Fields describes himself first as a Christian, second as a family man and proud father, and third as a doctor. That ordering shapes how he approaches care. He hosts wellness lectures both in person and online, and every member reaches him directly by text, phone, or email.
Education & Training
Residency
Family Medicine and Lifestyle Medicine, Texas Tech University Health Sciences Center
Additional Training
Extensive experience working in Emergency Rooms
Certifications
Who is Dr. Fields right for?
Dr. Fields suits patients who want a physician engaged in their long-term health, not just acute visits. Families benefit from his willingness to see all ages, from pediatrics through seniors, under one roof. Patients managing chronic conditions will find his lifestyle-first philosophy a good match. Adults who want coaching on nutrition, sleep, exercise, and mental health alongside medical care will feel at home here. Anyone looking for a physician they can reach directly between visits will appreciate his open-access approach.
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Frequently Asked Questions
Dr. Fields practices full-scope family medicine and sees patients of all ages, from infants through seniors. He manages acute illness, chronic disease, and preventive care. His Lifestyle Medicine training means he also works with patients on nutrition, exercise, sleep, and other root-cause health factors.
Yes. Dr. Fields holds board certification in Family Medicine. He also completed a residency in Lifestyle Medicine through Texas Tech University Health Sciences Center, giving him dual clinical training in conventional and holistic approaches to health.
D. in 2019 and completed residency training in both Family Medicine and Lifestyle Medicine through Texas Tech University Health Sciences Center. He also gained significant experience working in emergency rooms before founding Heritage Family Medicine.
Dr. Fields looks at root causes before reaching for a prescription. He coaches patients on lifestyle changes, including nutrition, hydration, exercise, and sleep hygiene, as part of every care plan. He prescribes medication when needed but treats it as one tool among many, not the default response.
Yes. Dr. Fields sees patients of all ages, including infants and children. His multigenerational vision means he wants to serve families across every stage of life, from pediatric years through adulthood and into the senior years.
Yes. All members reach Dr. Fields directly by text, phone, or email. He does not route messages through a front desk or answering service. This direct access is a core part of the membership at Heritage Family Medicine.
Yes. Dr. Fields holds wellness lectures for members, available both in person and online. He covers topics related to lifestyle health, including nutrition, exercise, and whole-person wellness.
Dr. Fields brings hands-on emergency medicine experience to his family practice. That background sharpens his ability to assess acute illness quickly and perform in-office procedures that most primary care offices refer out. Members avoid expensive ER visits for many conditions he handles directly at the clinic.
Doctor profile last updated June 11, 2026