Practitioner Details

About Me

Katrina Lock is the founder and CEO of Bluebird Functional Medicine, where she leads a mission to prevent chronic conditions like heart disease, dementia, and address weight concerns by focusing on health at the cellular level. As a dual-certified functional nurse practitioner, Katrina is known for her clear, no-nonsense approach, empowering patients to take radical responsibility for their wellness with epigenomics and root-cause strategies that make complex science actionable.

Her journey into functional medicine began during her training as a nurse practitioner at the University of Cincinnati, under the mentorship of world-renowned Dr. Marcus Cobb, an expert in functional, regenerative, and anti-aging medicine. Dr. Cobb’s patient-centered approach inspired Katrina to dedicate herself to a practice where proactive, whole-body wellness can flourish. Now in mentorship with the infamous Dr Brandy Zachary (The Dr Z!!) So fortunate to be inspired by these great leaders.

Katrina is especially passionate about solving “mystery diagnoses”—those challenging cases that defy easy answers. She’s known for her commitment to digging deeper, uncovering root causes others might miss, and providing patients with clear, impactful steps toward lasting health.

Beyond Bluebird, Katrina is a proud mom to her son, Tyler, who serves in the U.S. Air Force, and wife to her husband, Richard, a retired law enforcement officer. She balances her dedication to patient care with a love for travel, family time, and adventure, embodying the wellness principles she champions.