About
Dr. Denise Hilliard is a board-certified internist practicing concierge medicine in Walnut Creek, California. She holds board certification in internal medicine and brings deep clinical expertise across several specialties. Her focus areas include women's health, functional medicine, preventive medicine, weight management, regenerative aesthetics, and dementia care.
Dr. Hilliard participates in an international network of physicians and scientists dedicated to treating COVID long haulers. That network addresses the sometimes debilitating effects patients experience well after recovering from acute COVID-19. Patients have relied on her for years, consistently describing her as someone who truly listens and goes above and beyond. One patient credits her with helping them lose 50 pounds, lower their cholesterol, and return to regular exercise. Dr. Hilliard designs a personalized long-term health plan for every patient she treats.
Certifications
Conditions Treated
Who is Dr. Hilliard right for?
Dr. Hilliard is a strong fit for adults seeking a physician who goes beyond routine care. Patients managing chronic conditions like dementia, long COVID symptoms, or metabolic concerns benefit from her personalized approach. Women looking for a physician who integrates preventive and functional medicine will find her focus especially relevant. Patients who want direct communication and same-day access will feel well-supported in her practice.
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Frequently Asked Questions
Dr. Hilliard specializes in internal medicine, functional medicine, and preventive medicine. Her clinical focus includes women's health, weight management, dementia care, regenerative aesthetics, and long COVID treatment. She builds a personalized health plan for every patient she treats.
Yes, Dr. Hilliard holds board certification in internal medicine. She brings deep clinical expertise across several specialties, including functional and preventive medicine.
Dr. Hilliard participates in an international network of physicians and scientists dedicated to treating long COVID patients. That network focuses on the persistent effects patients experience well after recovering from acute COVID-19. She applies that expertise to develop targeted treatment plans for each long COVID patient.
Yes, weight management is one of Dr. Hilliard's core clinical focus areas. She creates individualized plans that address long-term metabolic health. Patients have achieved significant results, including major weight loss and improved cholesterol levels, under her care.
Dr. Hilliard communicates directly with her patients by phone, email, or secure messaging. She prioritizes direct access so patients can reach her when questions or concerns arise between appointments.
Yes, women's health is a primary focus of Dr. Hilliard's practice. She integrates internal medicine, functional medicine, and preventive care to address the full range of women's health needs across adulthood.
Dr. Hilliard sees adult patients across a broad range of health concerns. She works with patients managing chronic conditions, those focused on prevention and longevity, and individuals seeking help with weight management, dementia care, or long COVID recovery.
Yes, Dr. Hilliard includes regenerative aesthetics as part of her practice offerings. She integrates these services within her broader approach to functional and preventive health.
Doctor profile last updated March 21, 2026