Dr. Waheeda HillerMD

Internal Medicine

at Banner Peak Health — Walnut Creek, CA

About

Dr. Waheeda Hiller practices internal and preventive medicine at Banner Peak Health, with deep clinical interests in sleep medicine, cancer prevention, and gut health. She approaches obstructive sleep apnea comprehensively, from early symptom recognition through cardiovascular risk and treatment options. Her work on cancer prevention spans lifestyle modification, germline and somatic mutation risk, and mitochondrial health.

Dr. Hiller also has strong interest in cellular repair and the clinical applications of the fasting-mimicking diet. She brings a personal and accessible voice to patient education, making complex science approachable for the people she cares for.

Conditions Treated

obstructive sleep apnea
cardiovascular risk
cancer prevention
gut health
mitochondrial dysfunction

Who is Dr. Hiller right for?

Dr. Hiller is a strong fit for adults who want a preventive, science-driven approach to long-term health. Patients managing sleep disorders, cardiovascular risk, or cancer prevention concerns benefit from her comprehensive outlook. She works well with those interested in cellular health, gut function, and metabolic optimization. Her ability to explain complex topics makes her particularly effective with patients who want to deeply understand their own health.

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Frequently Asked Questions

Dr. Hiller treats a broad range of internal medicine conditions with particular depth in sleep medicine, cancer prevention, and gut health. She evaluates and manages obstructive sleep apnea, including its cardiovascular implications. Her cancer prevention work covers lifestyle factors, germline and somatic mutation risk, and mitochondrial health.

Dr. Hiller takes a comprehensive view of obstructive sleep apnea. She addresses the condition from early symptom recognition through cardiovascular risk evaluation and into treatment planning. She does not treat the diagnosis in isolation but considers how sleep disruption affects the whole body.

Yes, cancer prevention is a central clinical interest for Dr. Hiller. She works with patients on lifestyle modification and evaluates germline and somatic mutation risk. She also incorporates mitochondrial health into her prevention-focused care.

Gut health is one of Dr. Hiller's core clinical interests. She incorporates it into her broader preventive medicine framework, connecting digestive function to overall health and disease risk. She helps patients understand the practical steps they can take to support gut health.

Yes, Dr. Hiller has a clinical interest in cellular repair and the applications of the fasting-mimicking diet. She evaluates its relevance for individual patients and helps them understand the science behind it. She presents this information in accessible, practical terms.

Dr. Hiller makes complex science approachable for the patients she cares for. She brings a personal and accessible voice to patient education. Patients who want to understand the reasoning behind their care tend to find her approach especially valuable.

Doctor profile last updated March 21, 2026