• Dr. Daniel J. Tomes

    Board Certified Neurosurgeon

    Dr. Tomes was raised on a farm near Utica, Nebraska, and graduated from Centennial Public School. He earned a Bachelor of Science degree from Nebraska Wesleyan University in Lincoln, NE.

    Dr. Tomes received his Doctorate of Medicine, with Distinction, at the University of Nebraska College of Medicine in Omaha, NE.  He completed a general surgery internship and neurological surgery residency at the University of Nebraska Medical Center, serving as Chief Resident of Neurosurgery at UNMC from 2002-03.

    Having been in practice in Lincoln, NE, since 2004, Dr. Tomes is on staff at the various Lincoln hospitals. He also provides neurosurgical consultation in the Lincoln office as well as at multiple outreach clinics across Southeast and Central Nebraska.  Dr. Tomes founded his first outpatient ambulatory surgery center in 2011 to establish minimally invasive outpatient spine surgery as an option to help those suffering spinal and extremity pain. 

    In 2013, Dr. Tomes founded The Nebraska Neurosurgery Group, LLC, to continue bringing the best neurosurgical care to patients.  He takes pride in having patients seek his expertise from not only Nebraska but also Kansas, Missouri, Oklahoma, Iowa, South Dakota, and Wyoming.  Many physicians seek Dr Tomes for their own treatment.  Dr. Tomes will always seek non-operative intervention when appropriate prior to offering surgery and continues to see all patients himself to provide the most personalized comprehensive care.

    Operative interests of Dr. Tomes include brain and spinal tumor resection, management of traumatic and athletic injuries of the brain and spine, minimally invasive spinal discectomy and fusion, stereotactic radiosurgery, and carpal tunnel release surgery. 

    Athletes from multiple sports, ranging from football to boxing to golf, both amateur and professional, continue to seek his care and expertise for their brain and spinal injuries.  Dr. Tomes serves as team physician for multiple collegiate and professional athletic organizations.

    In 2021, Dr. Tomes teamed with neurosurgical colleague Dr. Benjamin Bixenmann to establish The Nebraska Ambulatory Surgical Center, LLC, a project aimed at providing the absolute best outpatient surgery outcomes for patients with focus on achieving exceptional patient satisfaction while reducing costs for patients in their time of need. 

    Dr Tomes has been involved in medical research for several decades. He has had research articles published in state, national, and international medical journals including Oncology, Journal of Neurosurgery, and The North American Skull Base Society. During his medical school years, he was able to earn the designation of MD Thesis for his research in cancer biology. In 2001, Dr Tomes received the award for Outstanding Research Paper from the North American Spine Society per his research on spinal cord injury treatment.  He has won numerous local awards for patient care.  Dr Tomes continues to present neurosurgical research on the national level, most recently in 2024 at the Association of Ringside Physicians. 

    Dr Tomes has led many initiatives promoting healthcare and well-being. He served as Medical Director for the Nebraska Sports Concussion Network, a project to help educate and properly treat student athletes suffering the effects of concussion. He was on the Board of Directors for Madonna Rehabilitation Hospital serving on its executive committee, served on the Pius X School Foundation Board, and continues to offer consultation to the Lincoln Public Schools Sports Medicine Athletic Committee.  He continues to give lectures on brain and spinal issues for multiple community organizations and national conferences.  He enjoys being a clinical instructor for Advanced Trauma Life Support to medical providers from nearly every state.  Dr Tomes has been listed by Becker’s Spine Review as one of the top 40 “spine surgeons to know” in America, and by Becker’s ASC Review as one of the top 150 “physician leaders in the ASC Industry to know” and one of the top 350 “people in the ASC industry to know”.

    Dr. Tomes welcomes you to the Nebraska Neurosurgery Group and Nebraska Ambulatory Surgical Center!!

  • Dr. Benjamin J. Bixenmann

    Board Certified Neurosurgeon

    Benjamin J. Bixenmann, MD, FAANS specializes in surgery of the spine, brain, and peripheral nerves at The Nebraska Neurosurgery Group, LLC.

    Dr. Bixenmann grew up in Lincoln, Nebraska, and graduated from Pius X High School in 2001. He earned his Bachelor of Science degree from Hillsdale College in 2005 graduating Magna Cum Laude.

    Dr. Bixenmann received his Doctorate of Medicine, with High Distinction, in 2009 at the University of Nebraska College of Medicine in Omaha, NE. He completed a neurological surgery residency at the Mayfield Clinic and University of Cincinnati Medical Center in 2015.

    Dr. Bixenmann is on staff at the various Lincoln hospitals and also provides neurosurgical consultation in the Lincoln office as well as multiple outreach clinics across Southeast and Central Nebraska. His operative interests include minimally invasive surgical treatment of all spine problems, surgical and radiosurgery treatment of brain tumors, surgical treatment of brain aneurysms and carotid stenosis, surgical treatment of nerve pain including carpal tunnel and trigeminal neuralgia, and management of traumatic brain injury and concussion.

    Dr. Bixenmann has been involved in medical and scientific research throughout the course of his training receiving multiple research awards and publications in both national and international peer reviewed medical journals. His awards include the 2005 Marsden award for most outstanding senior research from Hillsdale College, 2007 University of Nebraska Medical Center Department of Internal Medicine’s student research award and the 2014 Ellen and Stewart B. Dunsker, MD award for most outstanding clinical research. He has also been recognized by Cincinnati Magazine in their 2015 Top Doctors issue for his innovative research on the diagnosis and management of athletic concussions.