Brian Lenzkes

Dr. Brian Lenzkes is an internal medicine doctor based in San Diego who has focused much of his attention on clinical nutrition. He owned his own medical practice with a group of physicians from 2004-2020 until transitioning into an independent membership‑based practice, LowCarbMD San Diego. A professional speaker in the health and wellness sphere, Dr. Lenzkes also hosts the Life’s Best Medicine podcast and co‑hosts the popular LowCarbMD podcast, which have a total of more than 5.3 million downloads. Dr. Lenzkes attended UC Irvine and received a B.S. in Biology before attending the University of Southern California School of Medicine. After graduating in 1999, he started his residency program at Scripps Mercy Hospital in San Diego and extended his residency for a year to serve as Chief Resident before beginning his private practice career at Internal Medicine Associates in 2004. He has been voted one of the “Top Doctors” in San Diego for 11 years and now provides Direct Primary Care focused on metabolic health, lifestyle medicine, and patient‑centered care.