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Meet Our Cardiac Rehabilitation Team
Rehab by RescueMD is built on a true multidisciplinary team — a physician, a nurse practitioner, a registered dietitian, and an exercise physiologist who together guide every stage of your recovery across our cardiac rehabilitation services.
Dr. Olubukola Okoro
Internal, Lifestyle & Obesity Medicine
Olubukola Okoro, MD, is an internal, obesity, and lifestyle medicine specialist and the founder of RescueMD, serving patients in and around Allen, Texas. She has worked as a primary care physician for over 12 years, has been a board-certified weight-loss doctor for 4 years, and currently holds a medical license in 11 states. She takes a patient-centered approach and looks forward to forming a lasting bond with every patient.
Dr. Okoro received a bachelor’s in biology from Metropolitan State University, became a licensed practical nurse and then a registered nurse, and worked as an RN before attending Ross University School of Medicine. She completed her clinical rotations in the United States and a three-year internal medicine residency at St. John’s Hospital in Detroit, Michigan. She is board-certified by the American Board of Internal Medicine (Texas medical license, 2015) and also by the American Board of Obesity Medicine and the American Board of Lifestyle Medicine. After practicing at Texas Health Presbyterian in Dallas and Texas Presbyterian Hospital in Allen, she opened her own practice. She leads our intensive cardiac rehab and traditional cardiac rehab programs, where care is always physician-supervised cardiac rehab. With deep roots in Allen, she enjoys spending time with her husband, Tochi, and their two sons, Caleb and Joshua, and serves patients from Frisco, McKinney, Plano, Dallas, and surrounding areas.
Kimberly Schmidt, NP
Internal Medicine, Obesity Medicine & Aesthetics
Kimberly (Kimber) Schmidt is a dedicated family nurse practitioner with a passion for weight management, wellness, and preventative medicine. In addition to serving as a primary care provider, she also practices medical weight loss with RescueMD. She earned her bachelor’s degree in nursing from Stephen F. Austin State University, then moved to Dallas and began her career at Baylor Dallas, where she built an extensive background in neurology as well as heart and vascular procedures. She went on to earn her master’s in nursing from the University of Texas at Arlington and became a certified nurse practitioner before transitioning to a primary care role in Dallas. Kimber is driven to uncover the root causes of disease and stop it in its tracks, and she is also passionate about aesthetics and preventative skincare. Outside of work, she is a devoted wife and mother to two energetic toddlers, Milo and Luca, and enjoys traveling with her family, reading, and Peloton workouts. Based at our Allen facility, she serves patients from Frisco, McKinney, Plano, Dallas, and surrounding areas.
Ayesha Sajjad, MS, RD, LD
Registered Dietitian | Weight Management | Chronic Disease Nutrition
Ayesha Sajjad is a licensed Registered Dietitian with a strong background in clinical nutrition and chronic disease management, dedicated to helping patients achieve sustainable health through personalized, evidence-based nutrition care — the foundation of our registered dietitian services. She earned her master’s degree in nutrition from Texas Woman’s University and completed her clinical training at Children’s Health Plano and Baylor Scott & White Health, and is credentialed through the Academy of Nutrition and Dietetics. At RescueMD, Ayesha specializes in weight management and nutrition therapy for chronic conditions such as diabetes and hypertension, and also supports patients with gastrointestinal disorders — helping them understand the gut-heart connection and build realistic, long-term strategies for better health. Outside of work, she enjoys volunteering and spending time with her family.
Alex Guzman-Ortiz
Exercise Physiologist
Alex Guzman earned a bachelor’s degree in Kinesiology (Pre-Physical Therapy track) and a master’s degree in Kinesiology with a concentration in Exercise Science, both from Texas Woman’s University. She discovered her passion for cardiac rehabilitation during an internship at Baylor Scott & White – The Heart Hospital in Plano, where interacting with more than 100 patients a day offered invaluable hands-on experience; watching patients progress and complete the program solidified her dedication to guiding people toward achievable health goals and a positive mindset. Blending science-based training with compassionate care, Alex focuses on a healthy mindset, goal setting, and long-term lifestyle strategies that help patients not only recover through cardiac rehabilitation but thrive well beyond it. Outside of work, she enjoys spending time with friends and family, traveling, and coaching club volleyball, and — with a background in pastry arts — creating culinary treats and exploring new coffee spots.
At Rehab by RescueMD, Alex designs and supervises exercise programs across our intensive, traditional, and PAD care, and leads our personal training. Learn about their role in cardiac rehab.
Dr. Naveed
Aminah Naveed, MD, is an internal medicine specialist. She serves patients at RescueMD at both the Allen and McKinney, Texas offices. Dr. Naveed is board-certified in internal medicine and acquired her Texas Medical License in 2021.
Dr. Naveed was born in Pakistan. She was always drawn to medicine and knew she wanted to become a physician from a very young age. She has a passion for serving humanity, which was instilled in her during her childhood.
Dr. Naveed received her medical degree from Ayub Medical College, one of the most prestigious institutes in Pakistan. She then completed her clinical rotations in the United States and her three-year residency program at Beaumont Hospital in Dearborn, Michigan. Interactions with her patients during this meticulous training gave her an exceptional experience and comprehensive knowledge of the latest advances and research in the field of medicine.
Dr. Naveed is a strong practitioner of evidence-based medicine. She is well acquainted with counseling patients regarding preventive care and positive lifestyle changes. Her communication and bonding skills with patients set her apart from other providers. Texas was love at first sight for Dr. Naveed. She lived in Texas since 2010 and settled in McKinney in 2015. Dr. Naveed has strong ties with the community and plans to serve here for years to come. She enjoys movies, traveling, swimming, horse riding, and biking. While away from work, Dr. Naveed spends time with her husband, Naveed, and three beautiful children, Moosa, Ibrahim, and Zahra.
Dr. Naveed is excited to join the enthusiastic team of healthcare professionals at RescueMD.
Dr. Naveed can be found at RescueMD located in Allen, Texas but is available to serve patients from Frisco, Mckinney, Plano, Dallas and surrounding areas of Texas.
Melissa Coltman, APRN
Melissa Coltman, MSN, APRN, FNP-C, is a board-certified nurse practitioner who enjoys caring for patients in Allen and McKinney, Texas, and the surrounding communities. At RescueMD, Melissa is proud to partner with patients to help them achieve their health care goals.
Melissa moved to Texas during her high school years. She earned a BSN from Hardin-Simmons University in Abilene, TX. Shortly after graduation, she married her college sweetheart. They moved to Dallas, where she began her nursing career at Baylor University Medical Center in Dallas, caring for patients in the medical ICU.
As a teenager, she met a nurse practitioner who greatly influenced her trajectory. After eight years of working as a bedside nurse in the ICU, PACU, and ER, she graduated from Texas Woman's University with her MSN.
Melissa has spent the last six years working as a nurse practitioner in the field of cardiology. She is known for listening to her patients with attention and compassion. She aims to empower them to achieve their personal health care goals. Cardiology is a passion of hers so naturally the Rehab was a good fit for her.
Outside of work, she loves spending time with her husband and sons. She enjoys being outdoors, reading, cooking, and finding out what she can grow in her garden.
Mackenzie Robinson
Internal, Lifestyle & Obesity Medicine
Mackenzie Robinson, MS, CPT is an exercise physiologist and certified personal trainer who is dedicated to the study of exercise and its impact on cardiovascular health.
From an early age, Mackenzie has aspired to pair her passion for exercise with a professional career, whether it be assisting athletes in enhancing their performance or helping individuals improve their overall quality of life. She takes pride in educating her patients and guiding them towards reaching their fitness goals, all while cultivating meaningful relationships with them.
With a bachelor’s degree in Kinesiology from Louisiana State University and a master’s degree in Kinesiology with a specialization in exercise physiology from the University of North Texas, Mackenzie has acquired a comprehensive understanding of how exercise influences the body’s physiology across various demographics. Her expertise extends to corrective exercise and sports performance, as well as a particular interest in cardiovascular health.
Outside of work, Mackenzie enjoys reading, traveling, and spending time with friends and family. She firmly believes in the value of continuous learning and strives to impart her knowledge to others daily.
Novalee Davis
Novalee Davis, BS, ACSM EP-C, CPT is an ACSM certified exercise physiologist and certified personal trainer who is dedicated to the study of exercise and its impact on cardiovascular health. While completing her bachelor’s degree Novalee deepened her passion for rehabilitation and performance by helping special populations improve performance and quality of activities of daily living with exercise. She prides herself in guiding and educating patients toward their health and fitness goals while maintaining impactful relationships with them.
With a bachelor’s degree in Exercise Science from State University of New York at Brockport and certification as an ACSM accredited exercise physiologist Novalee possesses an in-depth understanding of exercise and its impacts on the body. Her expertise extends to corrective exercise, health promotion, and cardiovascular health.
Outside of work Novalee enjoys sewing, crocheting, baking, and spending time with her husband and pets. She is excited to help you take your life back with the implementation of exercise and healthy habits.
Have questions for our team? Request a consultation or call 972-450-5844.
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