Meet Our Staff

Dr. Steven G. Werdehoff, MD

Dr. Steven Werdehoff is a board-certified Emergency Medicine physician and board member of the non-profit organization HEMSI. He graduated in 1994 with a B.S. in Chemical Engineering at the University of Virginia. He had a gap year in Lake Tahoe, California, skiing and exploring the West before attending the University of South Alabama College of Medicine, where he graduated with his MD in 2000.

Dr. Werdehoff completed his residency in Emergency Medicine at the University Hospital of Cincinnati in 2004. Believing in the power of exercise to maintain health, he has pursued CrossFit for the past 8 years. Dr. Werdehoff enjoys spending time with his children, particularly through games, competitions, and sports. In addition, he has a knack for the kitchen, striving to master new ways to tempt the taste buds. Dr. Werdehoff became a founder of Synergy Wellness to help patients reach their potential in health and wellness.

Dr. Michael Chang, MD

Dr. Michael Chang is a native of Houston, TX. He received his Bachelors of Science at Stanford University, then went on to the University of California San Francisco School of Medicine, where he obtained his Doctorate of Medicine in 1996. In 1998, Dr. Chang completed his General Surgery internship at the University of Texas in Houston, and in 2000, he completed an Emergency Medicine residency at Vanderbilt University.

Trained and boarded in Emergency Medicine, Dr. Chang brings more than 20 years of experience managing and treating sick patients, from sports injuries to heart attacks. His clinical interests also include wellness and addiction medicine, which stems from his passion for helping others live healthier and happier lives. Dr. Chang also brought his business expertise to the practice of medicine, as he was instrumental in the start-up and management of several free-standing ERs in Texas. In addition to clinical practice, Dr. Chang also serves as a team physician for the Houston Texans. Dr. Chang enjoys physical fitness, watching football, and spending time with family in his spare time.

Dr. Damon Fierro, MD

Susanna Dunlap, CRNP

Susanna Dunlap is a native of Mobile, Alabama. She received her undergraduate degrees in nursing and religious studies from the University of Alabama (Roll Tide!). Following graduation, she worked as an emergency department nurse at Huntsville Hospital for three years before attending graduate school at Vanderbilt University to pursue becoming a nurse practitioner. In 2019, Susanna was named the most outstanding student of her graduating class at Vanderbilt University’s School of Nursing. She is a board certified Family Nurse practitioner (FNP), emergency nurse practitioner (ENP), and adult gerontology acute care nurse practitioner (AGACNP). Susanna is passionate about patient advocacy and helping patients optimize their health.

Susanna enjoys spending time with her husband, daughter, and their miniature schnauzers. In her spare time, you can find Susanna gardening, painting, reading or traveling.

Susanna is proud to join the Synergy team and serve the North Alabama community.

Haley Nelson, CRNP

Haley is a native of Decatur, AL who has been in nursing for the last 11 years. She is a board-certified family nurse practitioner. She graduated from the University of Alabama with her BSN in 2012 and obtained her master’s at UAH in 2017.

She has worked in emergency medicine and primary care. She strives to develop a connection with her patients so that she might better care for them. Her goal is for her patients to live healthier lives. She believes that your mental and physical health improves when you take care of yourself. She enjoys camping with her family, reading, and traveling in her spare time.