About
Dr. Christopher Lacroix is a board-certified internist and functional medicine physician practicing in Greenville, NC. He holds certification from the American Board of Internal Medicine. His clinical focus includes primary care, functional medicine, hormone optimization, thyroid disorders, and medically managed weight loss.
Dr. Lacroix takes a partnership approach to care. He believes every patient brings a unique history and set of life circumstances. That belief shapes how he builds individualized health plans, treating each path to wellness as its own. He sees medicine as both a science and an art, and he works to reflect that in every patient interaction. His goal is to deliver thoughtful, high-quality care within a calm, unhurried environment.
Education & Training
Board-Certified: American Board of Internal Medicine
Certifications
Conditions Treated
Who is Dr. Lacroix right for?
Dr. Lacroix is a strong fit for adults seeking a primary care physician who treats the whole person. Patients managing thyroid conditions, hormone imbalance, or weight concerns benefit from his targeted clinical expertise. He works well with individuals who want a direct relationship with their doctor and same-day access when it matters. Those who value a calm, unhurried setting and personalized health planning tend to thrive as his patients.
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Frequently Asked Questions
Dr. Lacroix specializes in primary care, functional medicine, thyroid disorders, hormone imbalance, and medically managed weight loss. He also provides general internal medicine services for adults across a wide range of health concerns.
Yes. Dr. Christopher Lacroix holds board certification from the American Board of Internal Medicine. He brings that foundation together with functional medicine to deliver individualized, evidence-informed care.
Dr. Lacroix treats each patient as an active collaborator in their own health. He builds care plans around a patient's unique history, goals, and life circumstances. No two plans look the same, because he believes no two paths to health are the same.
Yes. Dr. Lacroix provides medically managed weight loss using Semaglutide and Tirzepatide injections. Patients receive once-per-week subcutaneous injections as part of a supervised weight loss program.
Yes. Hormone optimization is one of Dr. Lacroix's core clinical areas. He evaluates and treats hormone imbalance in both men and women as part of a broader focus on whole-body health.
Dr. Lacroix offers dedicated thyroid treatment as part of his practice. He approaches thyroid conditions through the lens of functional medicine, looking at underlying patterns and tailoring treatment to each patient.
Yes. Viva Med members have direct access to Dr. Lacroix. This direct relationship is central to the practice model and sets the tone for how care works at Viva Med.
Dr. Lacroix designed his practice around a calm, unhurried experience. The office reflects that priority, with a peaceful atmosphere and appointments scheduled to allow real time with the doctor.
Doctor profile last updated April 10, 2026