Overview of Dr. Ryken
Dr. Timothy Ryken is a neurosurgeon currently residing in Colorado and is the former Chief of Neurosurgery at Dartmouth-Hitchcock Medical Center and currently Professor Adjunct with the Department of Neurosurgery University of Iowa Health Care. He received his medical degree from University of Iowa Roy J. and Lucille A. Carver College of Medicine completed residency in Neurosurgery at the University of Iowa and is a AANS VanWagenen Scholar. He has been in practice over 30 years. He specializes in brain & spinal tumor, neurosurgical spine surgery, and neurotrauma and is experienced in oncology, neurosurgical oncology, neurosurgical spine surgery, epidemiology. He has more than 200 publications, over 1500 citations and a Research Gate H score of over 65.
Office
3455 Lutheran Pkwy W
Suite 280
Wheat Ridge, CO 80033- Is this information wrong?
Education & Training
- University of Iowa College of Public HealthMS, 2004 - 2007
- University of CambridgeFellowship, 1995 - 1996
- University of Iowa Hospitals and ClinicsChief Residency, Neurological Surgery, 1994 - 1995
- University of Iowa Hospitals and ClinicsResidency, Neurological Surgery, 1990 - 1995
- University of Iowa Hospitals and ClinicsInternship, Surgery, 1989 - 1990
- University of Wyoming College of Health SciencesChief Residency, Family Medicine, 1988 - 1989
- University of Iowa Roy J. and Lucille A. Carver College of MedicineClass of 1988
- Iowa State UniversityBS, Biochemistry, 1980 - 1984
Certifications & Licensure
- CO State Medical License 2022 - 2025
- IA State Medical License 1989 - 2025
- WA State Medical License 2021 - 2024
- VT State Medical License 2020 - 2024
- NH State Medical License 2017 - 2023
- ME State Medical License 2020 - 2021
- KS State Medical License 2015 - 2017
- American Board of Neurological Surgery Neurological Surgery
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Awards, Honors, & Recognition
- AANS VanWagenen Fellow 1995-1996
- America's Top Doctors Castle Connolly, 2007-2014
- America's Top Doctors for Cancer Castle Connolly, 2006-2013
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Clinical Trials
- Gliadel Wafers and Temodar in the Treatment of Glioblastoma Multiforme Start of enrollment: 2005 Oct 01
- Natural History of Brain Function, Quality of Life, and Seizure Control in Patients With Brain Tumor Who Have Undergone Surgery Start of enrollment: 2011 Oct 01
Publications & Presentations
PubMed
- Establishing a Gold Standard for Noninvasive Identification of Painful Lumbar Discs: Prospective Comparison of Magnetic Resonance Spectroscopy vs Low-Pressure Provocat...Gornet, M., Peacock, J., Schranck, F., Lotz, J., Ryken, T., Eastlack, R.> ;International Journal of Spine Surgery. 2024 Feb 27
- Examining barriers to implementing a surgical-site infection bundle.Kimberly C Dukes, Heather Schacht Reisinger, Marin Schweizer, Melissa A Ward, Laura Chapin, Timothy C Ryken, Trish M Perl, Loreen A Herwaldt> ;Infection Control and Hospital Epidemiology. 2023 Jul 26
- Association between interhospital transfer and increased in-hospital mortality in patients with spinal epidural abscesses.Maria K Pomponio, Imad S Khan, Linton T Evans, Nathan E Simmons, Perry A Ball, Timothy C Ryken, Jennifer Hong> ;The Spine Journal. 2022 Jun 1
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Journal Articles
- CD271+ Cells Are Diagnostic and Prognostic and Exhibit Elevated MAPK Activity in SHH MedulloblastomaTimothy Ryken, MD, Clinical Cancer Research
- Clinical prognostic indicators of surgical outcome in cervical spondylotic myelopathy.Holly LT, Matz PG, Anderson PA, Groff MW, Heary RF, Kaiser MG, Mummaneni PV, Ryken TC, Choudhri TF, Vresilovic EJ, Resnick DK, J Neurosurg Spine. 2009 Aug;11(2):112-8. PubMed PMID: 19769490
- The natural history of cervical spondylotic myelopathy.Matz PG, Anderson PA, Holly LT, Groff MW, Heary RF, Kaiser MG, Mummaneni PV, Ryken TC, Choudhri TF, Vresilovic EJ, Resnick DK, J Neurosurg Spine. 2009 Aug;11(2):104-11. PubMed PMID:19769489
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Books/Book Chapters
Abstracts/Posters
- Fas upregulation results in increased survival of rats with intracranial malignant glioma.Frankel B, Longo S, Kyle M, Canute GW, Ryken TC, Society for Neuroscience Abstracts, Vol. 25:2086
- Three dimensional culture of genetically modified glioma cell lines.Ryken TC, Housden ES, Frankel BM, Watts C, Sofroniew MV, Traynelis VC, Congress of Neurological Surgeons 46th Annual Meeting, Montreal, Canada
- Fas ligand induced cytotoxicity in human malignant glioma.Lennarson PJ, Frankel B, Julien T, Ryken TC, NeuroOncology 2(4):262
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Lectures
- Implantable Chemotherapy.Canadian Approval, Montreal, CA
- Biomechanics of subaxial posterior cervical stabilization.Congress of Neurological Surgeons 46th Annual Meeting, Montreal, Canada
- Ten Year Experience with Implantable Local Therapy for Malignant Brain Tumors.Glasgow, Scotland UK
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Press Mentions
- Dartmouth-Hitchcock Health Finances Continue to MendJune 20th, 2021
- Conroy Paid Less Than PredecessorSeptember 6th, 2020
- Dartmouth-Hitchcock Uses Robotic Surgical System for Spinal OperationsAugust 12th, 2019
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Professional Memberships
- Member
- Member
Hospital Affiliations
- SCL Health - Lutheran Medical CenterWheat Ridge, Colorado
- SCL Health - Lutheran Medical CenterWheat Ridge, Colorado
- University of Iowa Hospitals and ClinicsIowa City, Iowa
Insurance Accepted
- Aetna Choice POS II
BCBS Blue Card PPO
BCBS Illinois PPO
CIGNA Open Access
CIGNA PPO
First Health PPO
Great West PPO
Humana ChoiceCare Network PPOKaiser Permanente
Multiplan PHCS PPO
Multiplan PPO
Oxford Health Freedom
Oxford Health Liberty
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO
Wellmark Alliance Select - Please verify your coverage with the provider's office directly when scheduling an appointment
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