Neurosurgery Specialists

World-Renowned Neurosurgeons in Encino CA, Valencia CA & Bakersfield CA.

Spine Surgery

California Neurosurgical Institute World Class Neurosurgeons for Spine Surgery


American board of neurological surgery Affiliation California Neurosurgical Institute
American Association of Neurological Surgeons Affiliation California Neurosurgical Institute
Congress of Neurological Surgery Affiliation California Neurosurgical Institute
North American Spine Society NASS Affiliation California Neurosurgical Institute
BrainMapping foundation Affiliation California Neurosurgical Institute

Our Approach

We utilize cutting-edge technology and the skills of some of the top surgeons in Los Angeles. At the same time, we employ a compassionate, patient-centered approach in providing care.

To help patients make an informed decision regarding your care, we provide them with a consultation in conjunction with a clear description of their treatment options. Since our establishment, we have provided countless patients with successful outcomes and quick recovery times beyond average results in the field.

Our Team

Our neurosurgeons are highly experienced and board certified. They have published academic fields in neurosurgery. Our team includes Dr. Mark Liker, who was recognized by the U.S. News & World Report as being among the top 1% of neurosurgeons in Los Angeles.

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Patient Care Services


The pain of sciatica doesn’t just make your back hurt; it can travel all the way down one leg, or even both. The board-certified specialist physicians at California Neurosurgical Institute can help with a range of sciatica treatments.
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Brain Tumor

At California Neurosurgical Institute, the skilled board-certified neurosurgical team utilizes the most cutting-edge surgical techniques for the removal of brain tumors that provide better outcomes and less risk than other treatments.

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Slipped Disc

Slipped discs that don’t respond to treatment can become a chronic pain problem, but the expert team at California Neurosurgical Institute can help when other approaches aren’t relieving your symptoms.
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Spine Surgery

If you have unresolved back pain, the expert physicians at California Neurosurgical Institute can help using their exceptional skills and expertise in carrying out the most advanced forms of spine surgery... Read More >>>

Back Pain

Our experienced board-certified neurosurgical team utilizes cutting-edge technology and skills to treat conditions that cause back pain and can provide you with your best possible treatment options.

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Spinal Cord Injury

According to the National Spinal Cord Injury Association, 450,000 Americans currently live with a spinal cord injury. California Neurosurgical Institute could help improve or restore function following spinal cord injury.

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Nerv Compression

The experienced board-certified neurosurgeons at California Neurosurgical Institute, with offices in Bakersfield, Encino, and Valencia, California, utilize cutting-edge tools and skills to treat nerve compression.
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Herniated Disc

As many as 20 out of every 1,000 adults in the United States develop a herniated disc each year. While symptoms vary widely, for some people, a herniated disc can lead to chronic pain... Read More >>>


California Neurosurgical Institute, with offices in Bakersfield, Encino, and Valencia, California, specializes in the management of concussions and traumatic brain injuries and can provide the care you need for proper healing.

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Neurosurgery Consultation

California Neurosurgical Institute is one of the best and most trusted neurosurgical centers in Kern, Ventura, and Los Angeles Counties. If you have a spine or brain disorder diagnosis, we can conduct a neurosurgery consultation to evaluate your condition and suggest the best possible treatment options.
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Artificial Disc Replacement

Spinal disorders can lead to chronic back or neck pain that not only affects your physical health but can also affect your emotional well-being. California Neurosurgical Institute can determine if you would benefit from an artificial disc replacement.
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Pinched Nerve

Pinched nerves can be extremely painful, and also cause other unpleasant problems such as burning sensations and loss of function. If you have a pinched nerve...Read More >>>

Spinal Stenosis

Spinal stenosis typically a cause of narrowing of your spinal canal. These conditions lead to pain and dysfunction, but the expert team at California Neurosurgical Institute can help reduce back pain and restore normal function.

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Pain Management

California Neurosurgical Institute, with offices in Bakersfield, Encino, and Valencia, California, specializes in the surgical management of many pain conditions.
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Surgical Decompression (Laminotomy or Laminectomy)

Surgical decompression is an effective treatment for relieving the pain of trapped nerves in your spine when other treatments aren’t helping. Board-certified neurosurgeons at California Neurosurgical Institute can help ... Read More >>>


Having an abnormal curvature in your spine called scoliosis doesn’t always result in pain and disability, but for many people, it can. If you or your child has scoliosis... Read More >>>

Hospital Affiliations:

Hospital Affiliation Adventist Helth Bakersfield - California Neurosurgical Institute

Adventist Health Bakersfield * San Joaquin Community Hospital

2615 Chester Ave, Bakersfield, CA 93301
(661) 395-3000

Hospital Affiliation NORTHRIDGE MEDICAL CENTER - California Neurosurgical Institute


18300 Roscoe Blvd, Northridge, CA 91328
(818) 885-8500

Hospital Affiliation Henry Mayo Valencia - California Neurosurgical Institute


23845 McBean Pkwy, Valencia, CA 91355
(661) 200-2000

Hospital Affiliation LOS ROBLES MEDICAL CENTER - California Neurosurgical Institute


215 W Janss Rd, Thousand Oaks, CA 91360
(805) 497-2727

Hospital Affiliation Keck Medicine - California Neurosurgical Institute


1510 San Pablo St, Los Angeles, CA 90033
(800) 872-2273

Hospital Affiliation MISSION COMMUNITY HOSPITAL - California Neurosurgical Institute


14850 Roscoe Blvd, Panorama City, CA 91402
(818) 787-2222

Advanced Pain Surgical Center

7230 Medical Center Drive # 500A
West Hills, CA. 91307

(818) 349-7246

Oaks Surgical Center

4500 Trade Center Drive Suite B
Bakersfield, CA. 93311

(661) 836-5521

Premier Specialty Surgical Center

7230 Medical Center Drive # 502-503
West Hills, CA. 91307

(818) 348-56014

Encino Surgical Center

16260 Ventura Blvd. Suite 800
Encino, CA. 91436

(818) 657-5647

New Horizon Surgical Center

4500 Trade Center Drive Suite A
Bakersfield, CA. 93311

(661) 735-5597

Choose Your Provider

Mark Liker, MD, FAANS, FACS

Mark Liker, MD, FAANS, FACS

Neurosurgeon & Spine Surgeon

Timothy Lui, MMS, PA-C

Timothy Lui, MMS, PA-C

Certified Physician Assistant

Bjorn Lobo, MD

Bjorn Lobo, MD

Neurosurgeon & Spine Surgeon

Mukesh Patel, PA-C

Mukesh Patel, PA-C

Certified Physician Assistant

Maureen Aoys, DC, MS, PA-C

Maureen Aoys, DC, MS, PA-C

Certified Physician Assistant

California Neurosurgical Institute, Valencia, CA

661-230-9284  (appointments)
661-799-2542 (general inquiries)

23929 McBean Pkwy, Suite 215, Valencia, CA 91355

California Neurosurgical Institute, Bakersfield, CA

661-230-9429 (appointments)
661-414-9100 (general inquiries)

8307 Brimhall Road, Suite 1706, Bakersfield, CA 93312

California Neurosurgical Institute, Encino, CA

747-204-5163  (appointments)
747-206-5424 (general inquiries)

16260 Ventura Blvd., Suite 700, Encino, CA 91436