Rehan H. Ali, M.D.
Dr. Ali is a board certified Diplomat of the American Board of Family Medicine. Dr. Ali received his medical training at Grant Medical Center, a level 1 trauma hospital in downtown Columbus, Ohio. He is experienced in Emergency Medicine and Urgent Care and works throughout the DFW Metroplex. He is certified in (BLS) Basic Life Support, (ACLS) Advanced Cardiac Life Support, (PALS) Pediatric Advanced Life Support, and (ATLS) Advanced Trauma Life Support. Dr. Ali is passionate about preventative care, healthy living, and patient education. Dr. Ali is married and has 4 boys. He enjoys traveling and spending time with his family.
About Us
Our Story
T Off Your Health was established in 2012, originally as T Off Mens' Health. It was designed to be a fast-paced men’s primary care office that specializes not only in testosterone therapy but also allergy testing, weight loss, hydration therapy and cosmetic injections. T Off now welcomes women into the clinic for weight loss, allergy testing, hydration therapy, cosmetic injections and primary care. We pride ourselves in providing quality medical care in a professional and timely manner. T Off Your Health is built for comfort and speed, it's healthcare for the modern world.
Keller:
Fort worth:
Dallas:
Our Providers

Olivia Elder, APRN, FNP-C
Head Provider | Keller & Fort Worth Office
Olivia graduated with a Bachelor of Science in Nursing from Texas Christian University in Fort Worth, Texas. She then worked as a Registered Nurse in operating rooms in Dallas, Texas, for 5 years prior to graduating Magna Cum Laude with her Master of Science- Family Nurse Practitioner from Texas Woman’s University. She has practiced as a Nurse Practitioner in family practice/urgent care, asthma, allergy and immunology, and orthopedics with a focus on the spine. She has her Family Nurse Practitioner Certification through the American Academy of Nurse Practitioners (AANP). She is also certified as an Advanced Practice Registered Nurse with prescriptive authority through the Texas Board of Nursing. Outside of work, she loves to spend time with her dog and family; she loves anything and everything sports, improv comedy, traveling to new beaches, and enjoys trying new restaurants with her fellow foodie and childhood sweetheart husband.


Catherine Wyatt, APRN,
FNP-C
Keller & Fort Worth Office
Catherine graduated in 2014 with a Bachelor of Science in Nursing from Texas Tech Health Science Center in Lubbock, TX. She then worked as a Registered Nurse in the DFW area as an oncology nurse for 3 years and then in women's health for 2 years. She also worked on the COVID unit in 2020, in Lubbock, TX for 2 years prior to graduating with her Master of Science- Family Nurse Practitioner from Texas Tech University. She has her Family Nurse Practitioner Certification through the American Academy of Nurse Practitioners (AANP). She is also certified as an Advanced Practice Registered Nurse with prescriptive authority through the Texas Board of Nursing. Outside of work, she loves to work out by lifting weights and focusing on getting stronger in the gym every day. She met her husband at LifeTime Fitness, where she also used to work as a Personal Trainer. They love to spend time with their 3 fur babies: Chewy, CC, and Lady, by taking them on long hikes/walks together every night.
Michelle Guilbeault, PA-C
Keller & Fort Worth Office

Michelle is a Physician Assistant. She attended Nova Southeastern University where he obtained her Masters of Medical Science in Physician Assistant studies. She has over 10 years of experience in Internal Medicine and Cardiology. She enjoys spending time with her family and traveling.

Brooklyn Miller MSN, APRN, FNP-C
Dallas Office
Brooklyn is a dedicated family nurse practitioner with a strong nursing background. She completed her undergraduate studies at the University of Oklahoma and UT Medical Branch, where she gained a solid foundation in the Nursing field. Continuing her education, she obtained a Master's degree at UTA. Brooklyn's commitment to ongoing learning allows her to stay up-to-date with the latest advancements in healthcare. Outside of work, she enjoys traveling, cooking with her husband, and going on walks and hikes with their dog, Poppy.
Misty Cavalier MSN, APRN, FNP-C
Dallas, Fort Worth, and Keller Offices
Misty is a Nurse Practitioner. She completed her BSN at Chamberlain University and her MSN at Olivet Nazarene University. Her previous 15 years of nursing experience involved caring for ventilator patients, hospice, and home health. Misty and her husband enjoy rescuing/fostering dogs, travel, and skydiving. Most of her free time is spent with her family and dogs.


Heath is a Nurse Practitioner. He has over 18 years of experience working in Healthcare. He attended West Texas A&M University where he obtained his Bachelor of Science degree in Nursing. Most of his Nursing career has been in Emergency Medicine. He attended Walden University where he received his Family Nurse Practitioner degree. As a Family Nurse Practitioner, Heath has experience in Family Practice, Emergency Medicine, and Medivac service. He enjoys watching sports, spending time with his family, and boating.