Boulder Neurosurgical & Spine Associates

Learn About Boulder Neurosurgical & Spine Associates

Boulder Neurosurgical & Spine Associates provides neurosurgical and orthopedic spine care, treating complex conditions with leading-edge, non-surgical and surgical treatments.

The physicians at Boulder Neurosurgical & Spine Associates are committed to innovation, customizing care just for you, to minimize pain, speed recovery, and avoid unnecessary surgeries.

Boulder Neurosurgical & Spine Associates at a Glance

See what sets this spine center apart:

  • The practice features a team of dedicated, compassionate neurosurgeons with over 80 years combined experience.
  • The experts here treat the most advanced conditions, such as spine problems, cerebral aneurysms, seizure disorders, spinal and brain tumors, and peripheral nerve disorders.
  • Athletes commonly seek treatment from Boulder Neurosurgical & Spine Associates, receiving the care they need to get back to the activities they love.

If you’re in pain, schedule an appointment today.

Directions to our primary location in Boulder, CO

Meet the Physicians of Boulder Neurosurgical & Spine Associates

Dr. Alan Villavicencio, MD

Boulder, CO


Dr. E. Lee Nelson, MD

Boulder, CO


Dr. Sharad Rajpal, MD

Boulder, CO


Kara D. Beasley, DO, MBe

Boulder, CO


Dr. Andrew Bauer, MD

Boulder, CO


Dr. Allan Nanney, MD

Boulder, CO


How Boulder Neurosurgical & Spine Associates Can Help You

Type of Practice

  • Spine Center


  • 7 Neurosurgeons


  • Boulder Neurosurgical Associates (BNA) received the highest ratings in the Denver Metro Area for the services provided at Boulder Community Hospital by CareChex Medical Quality Rating Systems


  • Arthritis
  • Brain Tumors
  • Cervical Spine Disorders
  • Degenerative Spinal Conditions
  • Facet Syndrome
  • Failed Back Surgery Syndrome
  • Herniated Disc/Bulging Disc
  • Lower Back Pain
  • Neck Pain
  • Nerve Pain/Neuralgia
  • Neuropathic Pain
  • Piriformis Syndrome
  • Sciatica/Radiculopathy/Leg Pain
  • Scoliosis and Deformity
  • Spinal Cord Injuries
  • Spinal Stenosis
  • Spinal Tumors
  • Spondylolisthesis
  • Sports Injuries
  • Trauma
  • Upper Back Pain


  • Anterior Lumbar Interbody Fusion (ALIF)
  • Diagnostic Testing
  • Disc Surgery/Replacement
  • Discography
  • Foraminotomy
  • Injections/Blocks
  • Laminectomy
  • Lateral Lumbar Interbody Fusion
  • Microdiscectomy/Microdecompression
  • Minimally Invasive Procedures
  • Minimally Invasive Surgery
  • Nerve Testing
  • Spinal Cord Surgery
  • Spinal Fusion
  • Transforaminal Lumbar Interbody Fusion (TLIF)
  • X-STOP®

What Patients Are Saying About Boulder Neurosurgical & Spine Associates

Dear Dr. V and Staff – This note is a long time coming. THANK YOU for helping me get my life back and getting my back to marathons. I ran my first post-surgery on October 12, 2014 – 5 ½ months after surgery. It was slow, but it was pain free and one of my most memorable to date. Coming to Boulder was the best decision I’ve ever made. Thank you for truly understanding athletes and giving us hope!

— Danielle H.

This thank you is way overdue. Dr. Nelson is the greatest surgeon in the world!! I had back fusion surgery two years ago this month and I got my life back. I originally went to see him for a second opinion about my back problems. I had been suffering for a few years - not able to stand up straight for the first hour I was out of bed every morning, chronic sciatic pain, and not able to walk but a few steps before resting. Dr. Nelson offered me a more reasonable surgery plan than I heard initially and I immediately felt confident that I had found my answer and my surgeon --- and nothing has happened since that day to change my mind. My surgery went great – I can honestly say I have had no pain since the minute I came out of recovery. I was diligent with my recovery instructions and physical therapy. My biggest fear now – 2 years later – is that I’m going to forget someday to be grateful for Dr. Nelson and Sara and Mike and Jennifer. I never want to take being pain-free for granted. Thank you all so much!

— Anna S.

Thank you for the wonderful care. I had surgery on Oct 2nd and everything went well. Dr. Rajpal was friendly and caring. He explained things so I could understand. His staff is also great especially Erica the PT. I am about nine weeks out now and feeling great. This is a life changer!

— Harvey W.

A note of thanks is due to Dr. Beasley, not just for taking my case and taking care of me, but for looking me in the eye yesterday and making me understand that being post-concussive doesn't stay crummy forever. I've been wanting to get back to feeling like myself for several weeks, and now I actually believe that might happen. That means a lot. Thank you, Dr. Beasley. You rock!

— Scott P.

Dr. David Shafer and Stephane are awesome! I've been in a lot of pain which leads me to being grouchy. I wanted to thank the two of them for helping me get to the bottom of my pain. When I walk into the office, Stephane always greeted me with a smile and such a positive attitude. It helps me to know that she genuinely cares. Dr. Shafer is so kind as well and really cares about my pain and is trying to get some pain relief for me. I can't thank them enough! I've been a patient since Jan. 2015 and thanks to the two of them, I'm feeling a little better.

— Jody R.

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Highlights from Boulder Neurosurgical & Spine Associates

Of Note

Boulder Neurosurgical Associates (BNA) received the highest ratings in the Denver Metro Area for the services provided at Boulder Community Hospital by CareChex Medical Quality Rating Systems.

BCH neurosurgeons have set an impressive standard for offering our community the most advanced treatments. We were the first in Colorado to introduce:

  • Minimally Invasive Spine Surgery - offers smaller incisions, less muscle damage, decreased blood loss and a shorter hospital stay.
  • CyberKnife – a minimally invasive, accurate radiosurgery technology provided precise treatment of tumors anywhere in the body with lower radiation doses.
  • Intraoperative MRI – a state-of-the-art technology allowing the neurosurgeons to view tumors in real-time during surgery.
  • Endovascular neurosurgery. One of the few programs in the region offering less-invasive advanced procedures for treating strokes, aneurysms and brain tumors.

Office Information for Boulder Neurosurgical & Spine Associates

Boulder Community Foothills Hospital 4743 Arapahoe Avenue Suite 202 Boulder, CO 80303 Driving Directions

Primary Location

Boulder Community Foothills Hospital
4743 Arapahoe Avenue
Suite 202
Boulder, CO 80303


Monday: 8:00 - 5:00
Tuesday: 8:00 - 5:00
Wednesday: 8:00 - 5:00
Thursday: 8:00 - 5:00
Friday: 8:00 - 5:00

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Insurance Accepted

  • Accepts Most Insurance Plans
  • Aetna
  • Anthem Blue Cross and Blue Shield
  • Blue Cross and Blue Shield
  • Cigna
  • Great West Healthcare
  • Kaiser Permanente
  • Medicaid
  • Medicare
  • UnitedHealthcare

Additional Locations

  • Longmont United Hospital 2030 Mountain View Suite 500 Longmont, CO 80501 Driving Directions
  • Exempla Good Samaritan Medical Center 300 Exempla Circle Suite 270 Lafayette, CO 80026 Driving Directions
  • Platte Valley Medical Center 1610 Prairie Center Parkway Suite 2230 Brighton, CO 80601 Driving Directions
  • Avista Adventist Hospital 90 Health Park Drive Suite 300 Louisville, CO 80027 Driving Directions
  • Minimally Invasive Spine Institute 300 Exempla Circle Suite 130 Lafayette, CO 80026 Driving Directions
  • Foothills Surgery Center 4743 Arapahoe Avenue Suite 101 Boulder, CO 80303 Driving Directions
  • Longs Peak Hospital 1750 East Ken Pratt Boulevard Third Floor Longmont, CO 80504 Driving Directions

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