
Dr. Mark Holthouse, MD, IFMCP
Chief Medical Officer

Dr. Mario Brus, MD
Functional Pediatrician

Dr. David Musnick, MD, IFMCP
Functional Medicine Internal Medicine Doctor, Functional Sports Medicine Physician

Dr. R. Lynn Carlson, MD, IFMCP
Medical Doctor

Michael Sermon, PA-C
Medical Director & Adult Functional Practitioner

Jennifer Paulson, DNP, FNP-BC, APHN-BC, IFMCP
Adult Functional Practitioner

Amy Ray, FNP, IFMCP
Adult Functional Practitioner

Jessica Bennett, CNM, APRN
Functional Women’s Health & Midwifery

Elizabeth Hingley, NP-C, IFMCP, CDCES
Adult Functional Practitioner

Gavin Guard, PA-C, CISSN
Adult Functional Practitioner

Kristin Gomes, APRN-CNM
Women’s Health Functional Practitioner

Aaron Dykstra, DNP, FNP-C
Pediatric Functional Practitioner

Olivia Mangeac, PA-C
Pediatric Functional Practitioner

Tamra Geryk, FNP-C, IFMCP
Women’s Health Functional Practitioner

Christa Inzer Castillo MSPAS, PA-C, MPH
Adult Functional Practitioner

Janessa Tenney, PA-C, IFMCP
Adult Functional Practitioner

Nadia Kravchuk, DNP, FNP-C
Pediatric Functional Practitioner

Karen Callagy, PA-C, IFMCP
Adult Functional Practitioner

Kaitlin Cooley, FNP-C
Adult Functional Practitioner
Registered Nurses

Lauren Numedahl, RN
Clinical Educator

Annie Sparks, RN
Registered Nurse
Health Coach & Nutritionists

Lois Payne, FMCHC, NBC-HWC
Health Coach

Marianne Green, IFNCP, RD
Functional Nutritionist