Brad dedicates much of his time to building strong relationships with referring physicians and ensuring they receive exceptional support. He regularly meets with clinical and administrative staff to reinforce the company’s vision of compassion, professionalism, and a service-oriented approach in every patient interaction. He also collaborates closely with vendors and executive leadership to make informed business decisions that keep NextGen at the forefront of sleep-medicine technology.
Dr. Gregory McKinnis, MD is a critical care medicine specialist in Oklahoma City, OK and has over 30 years of experience in the medical field. Dr. McKinnis has extensive experience in Sleep Apnea. He graduated from Uniformed Services University of The Health Sciences in 1992. He is affiliated with SSM Health St Anthony Hospital-Oklahoma City. He is accepting telehealth appointments.
Megan was raised in Edmond, Oklahoma and graduated from Edmond Memorial High School. She attended Northern Arizona University for two years on a swimming scholarship. When she decided to attend nursing school, she transferred back to Edmond and graduated with honors from University of Central Oklahoma's Bachelor of Science in Nursing program. She worked as a nurse for several years in intensive care and post-anesthesia care units. She then attended George Washington University and obtained her Master's of Science in Nursing to become a Family Nurse Practitioner. She graduated with honors in 2021.
In her free time, Megan enjoys spending time with her husband, Garet, daughter, Kinley, son, Noah, and rescue dog, Violet. She especially loves cheering on the Thunder with Garet, watching Noah play football, and watching Kinley compete in horseback riding.
Melinda “Mindi” Valls is a board-certified Nurse Practitioner with over 29 years of experience in healthcare. She earned her BSN from Our Lady of the Lake College, an MSN in Women’s Health from Northwestern State University, and a Post-Master’s in Adult/Geriatrics from South University of Georgia.
Her extensive background includes women’s health, weight management, functional medicine, aesthetic medicine, and alternative therapies such as PRP and exosome treatments. Mindi is passionate about empowering patients through education and comprehensive care.
At NextGen Sleep, Mindi works with patients to diagnose and manage sleep disorders that impact their overall health, energy, and quality of life. She is dedicated to her patients through ongoing care, education, and follow-up to ensure effective treatment, better rest, and improved long-term wellness.
The Office Manager at NextGen Sleep oversees the daily operations of the sleep clinic, ensuring smooth and efficient workflows for both patients and staff. Responsibilities include coordinating patient scheduling, managing administrative processes, and maintaining accurate records, all while fostering a welcoming and professional environment. By streamlining office procedures and supporting the clinical team, the Office Manager helps NextGen Sleep provide high-quality, personalized care to every patient.
We’re here to help you achieve your best night’s sleep.
11
Years in Business
15k+
Patients Served








