Evergreen Spine and Neurosurgery Center

Cyril Sebastian, MD

Neurosurgery located in Shenandoah, TX


We're open with protocols in place to ensure your safety. We have put in place CDC recommended protocols to ensure the saftey of our patients, doctors, and staff.

  • Temperature Check Is Done Upon Arrival: We use a contactless thermometer to take the temperatures of everyone who enters our office and will ask anyone with fever to reschedule.

  • Personal Protective Equipment: Mask and gloves will be worn by our doctors and associates during exams. Every person entering the office is required to wear a face covering or mask. One will be provided if needed.

  • Limiting Exams Per Hour: We are limiting the number of patients per hour to perform a thorough cleaning after each exam and to adhere to CDC social distancing guidelines.

  • Cleaning Of Equipment And Surfaces: All equipment and surfaces will be cleaned after each exam.


Dr. Sebastian provides excellent surgical spine care every day at Evergreen Spine & Neurosurgery Center. His years of experience make him the local leader in spine surgery and his patients receive the most advanced treatments available for their simple and complex spinal disorders.




Cyril T. Sebastian, MD, is a board-certified neurological surgeon serving patients at Evergreen Spine and Neurosurgery Center in Shenandoah, Texas. Dr. Sebastian is a fellowship-trained spinal cord surgery subspecialist and has been practicing for more than a decade.

Dr. Sebastian completed his undergraduate degree at Harvard University in Cambridge, Massachusetts, before attending Tufts University Medical School for his Doctor of Medicine. Upon graduation, he began an intense seven-year residency in neurosurgery at Kansas University Medical Center. 

Before specializing in spinal surgery, Dr. Sebastian served in the United States Navy for many years. He was the Department Head of Neurosurgery at the US Naval Hospital in Okinawa, Japan, and later a Staff Neurosurgeon and Assistant Professor in Surgery at the Uniformed Services University of the Health Sciences at the Naval Medical Center in San Diego, California. After his service, Dr. Sebastian was accepted to Stanford University’s School of Medicine’s elite Spine Surgery Fellowship. 

Dr. Sebastian has been practicing neurological surgery since 2001 and has been practicing in Texas since 2010 when he founded Evergreen Spine and Neurosurgery Center. Patients can rely on his expert care and treatment for a wide variety of conditions, including brain tumors, herniated discs, spinal stenosis, and brain injuries. He offers advanced, cutting-edge treatment options and procedures, including cervical fusion, spinal fusion, and minimally invasive spine surgery. 

Having completed 12 years of intensive medical education, Dr. Sebastian has the most experience of any spine surgeon in southern Montgomery and northern Harris County. Dr. Sebastian is affiliated with several hospitals around Texas, including HCA Conroe, HCA Houston Northwest, Houston Methodist in The Woodlands, and Northwest Surgery Center.

To make an appointment with Dr. Sebastian and the team at Evergreen Spine and Neurosurgery Center, call the office or book online today.



We accept most major insurances. Please call the office for a full, detailed list of the insurances we accept.

Anthem Blue Cross Blue Shield
Texan Plus
United Health Care

Read More Testimonials



Words from our patients

  • Google

    "All & all he is the best there is and we will be forever grateful for what he has done for us."

    Barry J.
  • Healthgrades

    "I have always felt comfortable with expressing any concern on questions with Dr. Sebastian. His staff is always so kind and comforting."

    Avera M.
  • Healthgrades

    "Awesome results I will definitely use him for my lower back! Thank you again Dr. Cyril Sebastian!"

    Marion H.
Evergreen Spine and Neurosurgery Center
111 Vision Park Boulevard, Suite 260
Shenandoah, TX 77384-3004
Phone: 281-815-2486
Fax: 877-805-3509
Office Hours

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