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Pauza Spine Institute Associate Physicians

Ensure You're in the Right Hands

Physicians working under Dr. Kevin Pauza were selected from among hundreds of highly qualified Neurosurgeons, Orthopedic surgeons, and other Spine Specialists, who then underwent rigorous training by Dr. Pauza, assuring that they are all the best Spinal Disc specialists in the World. Together, they successfully treat more discs than any other center in the World.

Josh D. Toby, M.D.

Associate Physician

Josh D. Toby, M.D. is a Board-Certified Anesthesiologist who also completed his Interventional Pain Medicine Fellowship and has over 20 years experience in his specialty. Dr. Toby is a native Texan who attended Baylor University as a Presidential Scholar. He then obtained his Medical Degree at Texas A&M Health Science Center before completing his Anesthesia Residency at the University of Arizona. Upon graduation, Dr. Toby returned to Texas to start his practice while serving in numerous leadership roles.  He served as the Chief of Surgery and Anesthesia Medical Director for a Dallas hospital system.

After personally experiencing severe low back pain for 10 years, Dr. Toby received his advanced specialty training at the Discseel Institute with Dr. Kevin Pauza, to perform the Discseel Procedure.   Dr. Toby now focuses his skills and expertise helping patients with low back and neck pain. US News & World Report awarded him Five Stars and he received their “Patients’ Top Choice Award.”

Dr. Toby is blessed with by having two teenage sons who keep him active and when he isn’t with them he enjoys automotive activities, rock climbing, tennis, and World travel.

Mostafa M. Maita, DO

Associate Physician

Dr. Maita is a double-board-certified anesthesiologist and interventional pain medicine specialist. He focuses on spine and joint pain. His journey includes a fellowship at Mayo Clinic’s Scottsdale campus, where he received the Above and Beyond Award for patient care.

Prior to that, he earned his medical degree from Midwestern University and completed his anesthesiology residency at the University of Texas in San Antonio, where he was chief resident and recognized with the Gold Humanism award for patient care and research.

His passion lies in restoring healing through cutting-edge regenerative medicine, and understanding how each organ system works together to promote overall wellness.

Karen Perl, DO

Associate Physician

Dr. Perl, a native of Richardson, Texas, is board certified in Physical Medicine & Rehabilitation (PM&R) and subspecialty boarded in Pain Medicine. Dr. Perl received her Bachelor of Science in Biology from Baylor University in Waco, Texas. 

She went on to obtain her Doctorate of Osteopathic Medicine from the University of North Texas Health Science Center in Fort Worth, Texas during which time she also completed an Osteopathic Manipulative Medicine Fellowship. Her postgraduate studies included: a one year rotating internship, followed by a three year residency at the University of Wisconsin Hospitals & Clinics in Madison, Wisconsin followed by an additional year fellowship in Pain Management and Spinal Intervention in Atlanta, Georgia. 

She is experienced in a number of specialty areas, including diagnosis and conservative treatment of musculoskeletal and soft tissue injuries, joint injections, spinal injections, and chronic pain management. She has been in private practice for over twenty years. Dr. Perl specializes in the comprehensive non-operative management of musculoskeletal disorders including interventional fluoroscopic guided procedures including outpatient injections, spinal cord stimulators, and most exciting new to her practice innovative technology Discseel, opioid and non-opioid pharmacotherapy and acute, chronic, and postoperative chronic pain conditions and electrodiagnostics including EMG and NCS. 

Outside of the office, Dr. Perl is an active Girl Scout volunteer and enjoys referring and coaching youth soccer. She is an avid animal lover and dog rescuer fostering dogs from local shelters. She enjoys spending time with her pets, working out, sailing, dancing, and travelling abroad. Her professional memberships include the American Academy of Physical Medicine & Rehabilitation and the American Association of Neuromuscular & Electrodiagnostic Medicine.

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