• One of only three Radiation Oncologist “SuperDoctors” in Oklahoma
  • One of only three Radiation Oncologists among “Leading Physicians of the World” 2015 – International Association of Oncologists
  • “Boston’s Top Doctor” 2008-2015 – Castle Connolly
  • “America’s Top Doctor” – US News and World Report
  • Patient Choice Award 2010-2015 – Vitals.com
  • “America’s Top Oncologist”- CRCA
  • Compassionate Physician Award 2012-2015 – Vitals.com
  • America’s Top Radiologists  – CRCA

A multidisciplinary clinic bringing you the best care available in northeast Oklahoma.

Big News: The latest trial on Novocure shows the best results of any trial in half a century, improving survival for patients with brain tumors. See the New York Times article, here. The Tulsa Brain Tumor Clinic is the only site to offer Novocure treatment in Oklahoma or Arkansas.

Minimally Invasive Brain Surgery

Endonasal endoscopic surgery & other keyhole surgery options for removal of brain, pituitary & skull base tumors

Pituitary Disorders Program

Endocrine care & endoscopic surgery for pituitary adenomas, (acromegaly, Cushing’s disease, prolactinoma) & craniopharyngiomas

Comprehensive Brain Tumor Program

Oncology evaluations, chemotherapy, immunotherapy, clinical trials, minimally invasive surgery & radiosurgery options

Radiation Oncology & Radiosurgery

Cyberknife Stereotactic radiosurgery and focused radiotherapy for brain, pituitary & skull base tumors with our new Varian Trilogy LINAC.

Novocure / Optune

TBTC is the first center in Oklahoma to be certified to deliver life-prolonging, non-chemotherapy, non-radiation Novocure / Optune treatment

Cure your Tumor – Keep your Hair

Radiation causes lifelong hair loss. Once your tumor has been cured, these bald spots can diminish quality of life. TBTC’s hair-preservation techniques mean no permanent hair loss.


The only 3T MRI in Tulsa gives our MDs the best images available, allowing the best decision-making and the most exact treatments for Tulsa Brain Tumor Clinic patients.

TBTC receives SuperDoctor Award, 2015

Congratulations to Dr. Garren on being one of only three radiation oncologists in Oklahoma named to the 2015 SuperDoctors list.

Educational & Surgical Videos

Pituitary Disorders Video thumbnail Endonasal Surgery

Endonasal Endoscopic surgery thumbnail Endonasal Endoscopic Pituitary Adenoma Surgery

Meningioma-Keyhole-Conventional Prolactinoma – Endonasal Endoscopic Adenoma Removal

cushings disease surgery thumbnail Cushing’s Disease – Endonasal Tumor Removal



The Tulsa Brain Tumor Clinic specializes in the latest minimally invasive surgical, Cyberknife radiosurgery and multidisciplinary techniques for the treatment of tumors of the head and neck.

Brain tumors can be among the fastest growing tumors. Delays in treatment are associated with diminished survival. Prompt, exact care is critical. By mobilizing our entire team to work simultaneously, we make treatment faster, maximize your chance of cure, and protect your healthy brain.