meet your team
NEUROSURGEONS
Dr. Clinton Baird, M.D.
NeurosurgeonI feel it an honor to be involved in the neurosurgical, spine and pain care of my patients. With hard work and training from the Johns Hopkins hospital I aim to treat every person as an individual. Our hospital partners allow the best care delivery and outcomes possible with expertise and compassion. – What patients are saying: “Dr. Baird is highly skilled in complex spine and brain surgeries.” “Dr. Baird is very personable, and actually listens to me when I am talking about my problems and symptoms.”
Dr. Jordan Amadio, M.D., M.B.A.
NeurosurgeonJordan Amadio, MD, FAANS, is a board-certified neurosurgeon who specializes in applying innovative technologies in the operating room to treat brain and spine disorders. His clinical practice focuses on complex and minimally invasive spine surgery, surgical neuro-oncology, and neuro-trauma.Dr. Amadio was educated at Harvard Medical School, MIT, and Princeton University. He completed his neurosurgery residency at Emory University, one of the nation’s busiest neurotrauma centers.
Dr. Morteza Sadeh, M.D. Ph.D
NeurosurgeonDr. Morteza Sadeh is one of Olympia Neurological Institute’s neurosurgeons. Fellowship-trained, he received his medical degree from Chicago Medical School and speaks multiple languages, including Farsi. He specializes in brain and spinal tumors, epilepsy surgery, and neurosurgical spine surgery, with particular expertise in complex spine deformity and minimally invasive techniques. Dr. Sadeh has 30 peer-reviewed publications and over 300 citations, reflecting his dedication to advancing the field.
Dr. Arvind Mohan, M.D., M.B.A.
NeurosurgeonDr. Mohan was born and raised in Houston, Texas. He earned his B.S. from Yale University, where he distinguished himself academically. but also through his dedication During his college years, Dr. Mohan was actively involved in managing healthcare projects worldwide, traveling to countries such as India, Botswana, and Angola to help implement innovative healthcare delivery programs. Dr. Mohan combines his strong scientific background with a compassionate approach,
PHYSICIANS
Dr. Nicole Abel, D.O. | OK
Pain ManagementOlympia Neurological Institute is excited to introduce a dedicated healthcare professional making a real difference in our community – Dr. Nicole Abel! – Dr. Abel is a primary care provider. She’s known for her compassionate care, personalized treatment plans and a deep commitment to helping her patients live healthier, comfortable lives.
Dr. Bryan Van Doren, M.D. | OK
Pain ManagementDr. Van Doren is board-certified in Addiction Medicine by the ABAM and ABPM. He is also engaged in the practice of non-interventional complex chronic pain management with primary evaluation (medical, substance use and psychiatric co-morbidity) with determination of chronic pain.
ADVANCED PRACTICE PROVIDERS
Sheila Leach, PMHNP | OK
Behavioral HealthShelia Leach is a Psychiatric Mental Health Nurse Practitioner-Board Certified by the American Nurses Credentialing Center. She graduated Summa Cum Laude with a Master of Science in Nursing from Walden University, where she also earned her B.S.N.. Her expertise lies in caring for individuals who have sufferred significant physical and mental trauma. Sheila cares deeply for each of her patients and loves being an advanced-practice nurse. She enjoys spending time with family attending plays and concerts, traveling, decorating and walking my dog, Zoe.
Savannah Doughty, APRN | OK
Pain ManagementSavannah is a board-certified Family Nurse Practitioner by the American Academy of Nurse Practitioners. She is board-certified in Pain Management Nursing. Savannah attended Oklahoma State University – Institute of Technology where she earned an Associates Degree in Nursing. she worked as a Registered Nurse for eight years prior to advancing her practice. She later attended Chamberlain College of Nursing and graduated with a Master of Science in Nursing. Her goal is that all patients feel comfortable, welcome and heard while they are being seen in the clinic.
Regenia Hilton, APRN | OK
Pain ManagementMeet Regenia – A Healing Presence in Pain-Management who is driven by compassion and grounded in clinical expertise, Regenia is a Board-Certified Pain-Management Nurse Practitioner who brings both heart and science to every interaction. Her signature hugs have become a hallmark of comfort, making her patients feel truly cared for from the moment they arrive. With a career shaped by deep knowledge and a genuine love for people, Regenia delivers care that’s empathetic, precise, and deeply personal. She is an avid lover of all animals especially birds and dogs.
ADMINISTRATION
Logan Harkness, M.H.A. USN (Ret)
Practice Manager
Tyesha Jamison, B.S.
Director of Physician Relations
Lawrence Moran
Director of Marketing
Susan Austin, USA (Ret)
Director of Billing
Amanda Smith
Regional Manager
Sierra Burch
Regional Manager
STAFF
Mckenzie Gerber
Receptionsist
Denise Tapscott
Medical Assistant
Lyris Craig
Medical Assistant
Stormi Harden
Medical Assistant
Jennifer May
Billing
Charissa Mefford
Billing
Start Your Journey to Better Health at Olympia Institute
Take the first step towards a healthier, happier you at Olympia Institute. Our dedicated team of medical professionals is ready to guide you on your path to optimal well-being.
Texas Locations
AUSTIN
- 4207 James Casey Street, Suite 111
CEDAR PARK
- 1401 Medical Parkway Building B, Suite 412
Oklahoma Locations
TULSA
- 6130 E 81st St
MEEKER
- 102 W Carl Hubbell Blvd
WAGONER
- 1317 S Dewey Ave
McALESTER
- 1030 East Washington Street