Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
As a leading neurosurgeon in Orange County, California, Christopher Duma, MD, FACS, offers the most comprehensive care for brain tumors, brain diseases, and movement disorders. At his Newport Beach neurosurgical practice, he specializes in minimally invasive surgeries using state-of-the-art technology.
Dr. Duma is board-certified by the American Board of Neurological Surgery and a fellow of the American College of Surgeons. Dr. Duma also serves as the medical director of the brain tumor program at Hoag Memorial Hospital Presbyterian, a highly ranked academic hospital in Newport Beach, California.
Dr. Duma stays up to date on the latest neurosurgical treatments and technologies. He has even patented an immunotherapy treatment for glioblastomas, and his gene therapy and other research are an integral part of the fight against malignant brain tumors. His Newport Beach office is fully equipped with the latest computer-assisted neurosurgical technologies, radiosurgery tools, like Gamma Knife® and CyberKnife®, and the world-renowned StealthStation™ navigational surgical system.
After earning his medical degree from Stony Brook University School of Medicine in Stony Brook, New York, Dr. Duma completed his residency in neurological surgery at MedStar Georgetown University Hospital in Washington, DC. He went on to complete a one-year fellowship at the University of Pittsburgh, Presbyterian Hospital in Gamma Knife radiosurgery and stereotactic neurosurgery. This hospital was the first in the nation to install Gamma Knife technology, and since 1990, Dr. Duma has been performing Gamma Knife radiosurgery, making him an expert in this field.
At his Newport Beach neurosurgical practice, Dr. Duma offers a variety of surgical services to address brain disease and tumors, as well as neurological conditions like Parkinson’s disease. He is also skilled in regenerative treatments, like stem cell therapy, to restore patient function and improve overall health.
For a personal consultation with Dr. Duma, call the office or request a consultation online today.
Board-certified neurosurgeon Ali H. Mesiwala, MD, FAANS, takes a solution-based approach to determine anatomic and functional abnormalities and then treats them with leading-edge technologies and integrative medicine.
At his four offices in Newport Beach, Marina del Rey, and Rancho Cucamonga, California, he focuses on helping all of their patients return to their normal lives, getting back into motion as quickly as possible.
The team treats a vast array of neurological conditions. After intensive neurological exams and diagnostic testing, they recommend the best nonsurgical treatments for each person's unique health care needs. They recommend surgery when symptoms are severe or persist despite conservative care.
Patients seek Dr. Mesiwala for his expertise in brain and spine surgery, as well as peripheral nerve surgery and artificial disc replacement surgery.
He's an expert in complex brain and skull base surgeries, and he has the most experience in artificial disc replacements on the West Coast, including multi-level operations and all types of spinal decompressions.
Dr. Mesiwala is a leader in the field of minimally invasive sacroiliac (SI) joint surgery and has performed endoscopic cranial and spinal surgery since 2004. No matter where pain originates, patients get relief after he performs neuromodulation surgery.
After earning a Bachelor of Science in biomedical engineering and electrical engineering from Johns Hopkins University in Baltimore, Maryland, Dr. Mesiwala received his Doctor of Medicine from the University of California, San Francisco.
Then he finished his neurological surgery residency at the University of Washington in Seattle, Washington.
He completed his skull base and cerebrovascular fellowships at the University of Washington, International Neuroscience Institute in Hannover, Germany, and the University of Pittsburgh in Pittsburgh, Pennsylvania.
As a respected researcher specializing in the development of novel technologies and minimally invasive techniques for brain and spine surgery, Dr. Mesiwala holds multiple patents for medical devices used in spinal surgery.
In addition to his private practice, Dr. Mesiwala is the faculty surgeon for various artificial disc operations and spinal fusion operations with innovative techniques. He's a fellow of the American Association of Neurological Surgeons (FAANS).
“Dr. Mesiwala implanted a neuro-stimulator in my cervical spine seven (7) years ago and it worked perfectly. On July 18,2025 I had my unit replaced with a new battery and I continue to experience pain relief.
I highly recommend Dr. Mesiwala for any type of spinal surgery.
I give him 5 stars!!”
Dr. Ali Mesiwala, MD
Neurosurgeon
4551 Glencoe Ave.
Suite 145
Marina del Rey, CA 90292
4.84(114)
4.98
(264)
Dr. Brian Gantwerker, MD
Neurosurgeon 40.1 mi
4.98(264)
11600 Wilshire Blvd
Suite 407
Los Angeles, CA 90025
Board-certified neurosurgeon Brian R. Gantwerker, MD, specializes in the treatment of spinal and neurological conditions. He is fellowship-trained in complex spinal surgery and has been practicing for well over a decade.
At The Craniospinal Center of Los Angeles, patients benefit from his extensive experience treating complex brain and spine problems with minimally invasive techniques, and traditional surgery. Working with new techniques such as neuro navigation, spinal endoscopy, and also providing direct patient care with a physician, Dr. Gantwerker makes the patient paramount.
Well-respected in his field, Dr. Gantwerker has authored several book chapters and peer-reviewed journal articles. He has also appeared on podcasts, television, and radio interviews and has instructed undergraduates, medical students, and residents in various neurosurgical topics.
A Chicago native, Dr. Gantwerker earned a degree with honors in psychology from the University of Illinois at Urbana-Champaign and graduated magna cum laude and Phi Beta Kappa. He went on to receive his medical degree from Rush Medical College in Chicago, where he focused on peripheral nerve regeneration research.
After completing his neurosurgical residency at University Hospitals of Cleveland / Case Western, Dr. Gantwerker studied spinal cord regeneration with stem cells at Case Western School of Medicine. He completed a complex spine fellowship at the world-renowned Barrow Neurological Institute in Phoenix, Arizona.
Dr. Gantwerker is a member of the Phi Beta Kappa and Golden Key honor societies. He is an active member of key esteemed professional organizations, including the American Association of Neurological Surgeons (AANS), the Congress of Neurological Surgeons (CNS), and the North American Spine Society (NASS). He’s also a board member of the California Association of Neurological Surgeons (CANS). Dr. Gantwerker is a board-certified diplomate of the American Board of Neurological Surgeons (ABNS).
“I would love to have my surgery done by Dr. Gantwerker. He is a brilliant genius. Unfortunately, I can’t, since I will be on Medicare when I am ready for my surgery. He doesn’t accept Medicare and it breaks my heart that I can’t have him as my surgeon now.”
Dr. Brian Gantwerker, MD
Neurosurgeon
11600 Wilshire Blvd
Suite 407
Los Angeles, CA 90025
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