Dr Sivakumar

Our Center

Why Pacific Brain Tumor Center?

We provide comprehensive care for patients with all types of brain tumors including benign and malignant brain tumors, skull base tumors, and metastatic brain tumors that arise from cancers elsewhere in the body.

If you, a family member or friend have been diagnosed with a brain tumor or skull base tumor, we can help you understand your condition and determine an optimal treatment plan.

With expertise in minimally invasive keyhole and endoscopic surgery, leading-edge brain cancer treatments and clinical trials, stereotactic radiation treatment and hormone replacement therapy, we provide personalized care for these complex conditions, while focusing on our patients’ quality of life.

Our specialists in neurosurgery, neuro-oncology, radiation oncology, head & neck surgery, neuro-ophthalmology, interventional neuro-radiology and endocrinology offer a multidisciplinary approach to these disorders.

Our Center of Excellence

We realize you have options for your care; as you consider your choices, a few facts about our Center.

Minimally Invasive Keyhole Surgery

For patients who need surgical removal of a brain or skull base tumor, our neurosurgeons and head & neck surgeons (ENT) are at the forefront of minimally invasive keyhole and endoscopic endonasal surgery while also having decades of experience with conventional surgical approaches. This broad expertise allows our surgeons to provide the most optimal surgical approach for each patient.

Leading-Edge Personalized Brain Cancer Care

For patients with primary or metastatic tumors, our neuro-oncologists are on the leading edge of targeted brain cancer therapiesclinical trials and genomic tumor profiling. Our radiation oncologists also have extensive experience in the radiosurgical treatment of residual and recurrent brain and skull base tumors. We also offer real-time psycho-social support with an on-site social worker and host a bimonthly Brain Tumor & Pituitary Tumor Patient Support Group.


Our physicians are leaders in their respective fields of neurosurgery, neuro-oncology, neuro-ophthalmology, head & neck surgery and endocrinology. They are actively involved in teaching other doctors the latest techniques and trends in brain tumor care at national and international conferences and are involved in our fellowship training program. Because of their expertise, our physicians treat many patients with the most challenging of tumors, including many with prior treatments and patient who have been deemed “non-operative”.


Our physicians have an extensive publication track record on many aspects of brain and skull base tumor care and research, demonstrating their long-term commitment to improving outcomes with these challenging problems.

Our Award Winning Hospital

Our physicians practice at award-winning hospitals Providence Saint John’s Health Center and Providence Little Company of Mary Medical Center Torrance.



PNI-Santa Monica (Dr. Kelly, Dr. Barkhoudarian)
2125 Arizona Ave., 2nd Floor
Sant Monica, CA 90404
Phone: 310-582-7450
Fax: 310-582-7495

PNI-South Bay (Dr. Sivakumar)
5215 Torrance Blvd., Suite 300 
Torrance, CA 90503
Phone: 424-212-5361
Fax: 310-316-3466

Saint Joseph – Burbank (Dr. Iyer, Dr. Sehati, Dr. Barkhoudarian)
501 S. Buena Vista Ave.
Burbank, CA 90505
Phone: 818-847-6049
Fax: 310-582-7495

Holy Cross – Mission Hills (Dr. Iyer)
15031 Rinaldi Street
Mission Hills, CA 91345
Phone: 818-847-6570
Fax: 818-847-4842


Providence Saint John’s Health Cancer Center (Dr. Kesari, Dr. Sharma, Dr. Wagle)
2121 Santa Monica Blvd. “Garden Level” Santa Monica, CA 90404
310-829-8265 FAX: 310-582-7287

Providence Little Company of Mary Torrance (Dr. Kesari, Dr. Wagle)
5215 Torrance Blvd. “3rd Floor” Torrance, CA 90503
424-212-5361 FAX: 310-316-3466

Pacific Neuroscience Institute (Dr. Kesari, Dr. Sharma, Dr. Wagle)
2125 Arizona Ave. Santa Monica, CA 90404

St Jude Medical Center/ Specialty Clinic (Dr. Kesari, Dr. Carrillo, Dr. Turner)
2151 N. Harbor Blvd. Suite 3100 Fullerton, CA 92835
714-446-5830 FAX: 714-992-3037

St Joseph Hospital Multi-Disciplinary Care (Dr. Kesari, Dr. Carrillo, Dr. Turner)      
1000 W. La Veta Ave. Orange, CA 92868
714-734-6294 FAX: 714-734-6231

Leonard Cancer Institute (Dr. Kesari, Dr. Turner)
27799 Medical  Center Rd. Mission Viejo, CA 92691

Providence Saint Joseph’s Medical Center (Dr. Wagle)
181 S. Buena Vista St. Burbank, CA 91505
818-748-4999 FAX: 310-582-7495