Meet Our Team

Dr. Michael McKeown



Dr. Michael McKeown, DC has been a practicing chiropractor for over 17 years.  He is a 2003 graduate of New York Chiropractic College.  Dr. McKeown was in private practice for over 12 years and ran two successful integrated/multi-disciplinary practices in NY.   His primary focus is on overall patient well-being and improving his patients’ quality of life through rehabilitation and regenerative therapies.   Dr. McKeown knows first hand what living with debilitating pain is like, and he himself has been the beneficiary of regenerative medicine and knows full well the benefits that these cutting edge treatments provide without unnecessary surgeries such as knee replacements, lower back/spine surgeries and shoulder surgeries to name a few.

With his knowledge and skill-set, along with in-office collaboration with other medical providers, he believes that there are many people who can benefit from these life-changing procedures!  He is married with three children and enjoys spending time at the beach and traveling with his family.


Dr. Michael is a 2003 graduate of New York Chiropractic College.

Tammy Ryan

Family Nurse Practitioner, FNP-C


Tammy Ryan is a Board Certified Family Nurse Practitioner born and raised in Hickory, North Carolina. Tammy began her career in Neurology Progressive/Neurology Intensive care in Charlotte, NC, then became an RN injector for a reputable plastic surgeon in Charlotte, NC.  While working in plastics she obtained her aesthetician’s license to expand her knowledge of skin structure and anatomy.  Prior to joining the REVLIS team, Tammy spent several years working in an Integrative/Holistic private practice under the supervision of a Functional Medicine Physician. Tammy is always eager to learn and stay current in medicine in order to provide her patients with superior care in health, wellness and anti-aging. With a background in integrative medicine, aesthetics, wellness, and anti-aging Tammy brings diversity to REVLIS Medical. 


Tammy is a Board Certified Family Nurse Practitioner and has a Master’s degree in Nursing. Tammy  is AANP Board Certified.