Dr. Feyrer-Melk
Dr. Feyrer-MelkM.D.
Anne-Marie Feyrer-Melk, M.D., has been in practice since 1997. She received her medical degree from the University of Wisconsin Medical School, and her internship, residency, and fellowship training at Banner Samaritan Medical Center in Phoenix, focusing on cardiovascular diseases. She was recently honored as a 2022 Outstanding Woman in Business by the Phoenix Business Journal.
Dr. Steve Feyrer-Melk
Dr. Steve Feyrer-MelkPh.D., M.Ed.
Dr. Steve received his Ph.D. from Arizona State University in Exercise Science and Wellness, and his master’s degree from Bowling Green State University in Human Performance. He currently serves as the Chief Science Officer for a med tech company, has a history of applying his craft in both health and athletic-performance settings, and is a highly sought-after consultant and speaker.
Dr. Donna Demarco
Dr. Donna DemarcoC.H.N., Ph.D.
Dr Donna is a Board Certified Holistic Nutritionist and has been a part of the Optimal Heart Center & Body Lab practice since 2011. Besides working with patients she is a Health Educator for Cigna Onsite Health and Summit Health and conducts Biometric health Screenings. She has also been an Adjunct Professor with Maricopa Community College since 2004.
Kelly Martin
Kelly MartinPractice Manager
Kelly, Optimal Heart Center & Body Lab’s practice manager, was raised in Seattle and moved to Phoenix over 20 years ago. She began her medical career in 1992 as a respiratory therapist and has moved her way into management over the years, having managed cardiology offices as well as vascular surgery and interventional radiology offices. As a manager, Kelly’s philosophy is to always put the patient first. Her experience in the acute care setting has instilled the importance of preventative care. Catch it before it strikes! Kelly strives to always live and work by example believing that no job is too small and will always have an open-door policy with patients as well as staff. Kelly is very active outside of the clinic, enjoying sports, traveling and playing piano. Kelly is married with three kids and has one granddaughter.
Alex Holgin
Alex HolginMedical Technician
Alex is a native Arizonian with over eight years of experience working in the medical field. As a valuable member of the OHC Staff, Alex is a Medical Technician and also manages the complex scheduling and Member Patient flow from her front desk location. She loves being able to give high quality care to patients and making them feel right at home.