About Us

Dr. David Marquis: A Functional Medicine Doctor

Dr. David Marquis is skilled in the functional medicine approach to evaluation and care of complex and chronic health concerns. He has a focused interest in neurodegenerative and neurodevelopmental conditions including autism spectrum, TBI, Parkinsonian tremors, dementia, Alzheimer’s, and CTE, and also has 20+ years of experience supporting patients with common metabolic conditions including endocrine-related disorders of thyroid, diabetes, and sex hormone imbalances.

Dr. Marquis continuously advances his knowledge in Functional Medicine, and Functional Neurology with over 100 hours annually of post doctorate education. He is an accomplished public speaker and writer as well as a recurring guest lecturer on a variety of health related topics at the local University. He also teaches classes regularly at Pathways to Health and online.

Personally, Dr. Marquis is a proud father of 4 and has been happily married for over 25 yrs. Outside of work, he loves to surf, mountain bike, camp, read, spend time with his family, and play the guitar.

Dr. Marquis is actively involved in his community, donating his time to various organizations such as JustServe.org, Boy Scouts of America, Central Coast Follies, the Still Frothy Billabong Surf Contest, and provides support to several sports teams throughout the Five Cities Area. Additionally, over the past 25 years, he has been a Rotarian, a volunteer Sunday school teacher, as well as an Early Morning Seminary instructor for local youth and high school students.

Dave Marquis at Desk -1537
Dr. Marquis with his family at Pismo Beach.