Timothy Ryken, MD

Timothy Ryken, MD

Neurosurgery Waterloo, IA

Director and Chair of Neurological Surgery, Iowa Spine and Brain Institute, Waterloo Iowa


Office Address

  • Iowa Spine and Brain Institute
    2710 St. Francis Drive, Suite 110
    Waterloo, IA 50702
    Phone: (319) 272-5000

Timothy Ryken, MD

Neurosurgery Waterloo, IA

Director and Chair of Neurological Surgery, Iowa Spine and Brain Institute, Waterloo Iowa

Clinical Specialties & Interests

  • Neurosurgery: General Neurosurgery, Brain & Spinal Tumor, Neurosurgical Spine Surgery
  • Clinical Interests: Neurosurgery; Spine; Epidemiology; Medical Oncology

Education & Training

  • University of Iowa College of Public Health
  • University of Cambridge
  • University of Iowa Hospitals and ClinicsUniversity of Iowa Hospitals and Clinics
  • University of Iowa Hospitals and ClinicsUniversity of Iowa Hospitals and Clinics
  • University of Iowa Hospitals and ClinicsUniversity of Iowa Hospitals and Clinics
  • University Wy Coll Health Sci
  • UCSFUCSF
  • University of Iowa Carver College of MedicineUniversity of Iowa Carver College of Medicine
  • Iowa State University

Certifications & Licensure

  • IA State Medical LicenseIA State Medical License1991 - 2015
  • American Board of Neurological SurgeryNeurological Surgery

    Awards, Honors, & Recognition

    • America's Top DoctorsCastle Connolly, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007
    • America's Top Doctors for CancerCastle Connolly, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006
    • CMS Meaningful Use Stage 1 CertificationEpicCare Ambulatory EMR, Epic Systems Corporation, 2012, 2013

    Clinical Trials

    Publications & Presentations

    PubMed

    Journal Articles

    • 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
    • DNA methyltransferase-mediated transcriptional silencing in malignant glioma: a combined whole-genome microarray and promoter array analysis.  Foltz G, Yoon JG, Lee H, Ryken TC, Sibenaller Z, Ehrich M, Hood L, Madan A, Oncogene. 2009 Jul 23;28(29):2667-77. Epub 2009 May 25. PubMed PMID: 19465937

    Books/Book Chapters

    • Neurosurgical Operative Atlas. Vol. 2 Chapter: Surgical management of anterior communicating artery aneurysms Page 273 - 281
      Ryken TC, Loftus CM
      Editors: Wilkins R.Williams and Wilkins, Baltimore, MD
      Edition 4,
    • Neurosurgical Operative Atlas. Vol 3 Chapter: Surgical Management of Cerebral Abscess Page 449 - 457
      Ryken TC, Loftus CM
      Editors: Wilkins R.William and Wilkins, Baltimore, MD
      Edition 6,
    • Intraoperative Monitoring Techniques in Neurosurgery. Chapter: Intraoperative electrical and manometric monitoring techniques in lumbosacral surgery Page 257 - 268
      Ryken TC, Menezes AH
      Editors: Loftus CM, Traynelis VC.McGraw-Hill, New York

    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

    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

    Hospital Affiliations

    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 PPO
    • Kaiser 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
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