Overview
John Gruen is a Neurosurgery provider in Los Angeles, California. His top areas of expertise are Hydrocephalus, Congenital Cardiovascular Shunt, Normal Pressure Hydrocephalus, and Thoracic Outlet Syndrome.
His clinical research consists of co-authoring 8 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Specialties
Licenses
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
Locations
1520 San Pablo St Ste 3800, Los Angeles, CA 90033
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
USC Brain Tumor Center
Gabriel Zada, MD, MS, FAANS is Professor of Neurological Surgery at the Keck School of Medicine of the University of Southern California and a nationally recognized leader in brain tumor and skull base surgery. He serves as Surgical Director of the USC Brain Tumor Center, Co-Director of the USC Pituitary Center and Radiosurgery Center, and Vice Chair of Education for the Department of Neurosurgery. He is also Editor-in-Chief of Neurosurgical Focus, an international open-access journal of the Journal of Neurosurgery Publishing Group.Dr. Zada specializes in minimally invasive and endoscopic approaches to complex brain, pituitary, and skull base tumors and has performed more than 3,000 cranial operations during his career. His NIH-funded research program focuses on the genomics and epigenetics of brain and pituitary tumors, advancing precision medicine approaches in neurosurgical oncology.A prolific scholar, Dr. Zada has authored over 350 peer-reviewed publications and several textbooks in neurosurgery. Based on independent academic impact and expertise metrics, FindExpertMD ranks him the #1 neurosurgeon in California for multiple tumor (pituitary, meningioma) and skull base conditions and among the top neurosurgeons globally. Dr. Zada is highly rated in 66 conditions, according to our data. His top areas of expertise are Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Gamma Knife Radiosurgery.
UCLA Health Westwood Neurosurgery
Marvin Bergsneider is a Neurosurgery provider in Los Angeles, California. Dr. Bergsneider is highly rated in 39 conditions, according to our data. His top areas of expertise are Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Balloon Sinuplasty.
Cedars-Sinai Neurosurgery-Los Angeles
Wouter Schievink is a Neurosurgery provider in Los Angeles, California. Dr. Schievink is highly rated in 24 conditions, according to our data. His top areas of expertise are Cerebrospinal Fluid Leak, Siderosis, Subdural Effusion, Laminectomy, and Awake Craniotomy.
Frequently Asked Questions about Dr. John Gruen
How do I make an appointment with Dr. John Gruen?
You can book an appointment with Dr. John Gruen by calling their office at 323-226-6734. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John Gruen a top-rated expert for Hydrocephalus?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Gruen is classified as an Experienced expert for Hydrocephalus, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John Gruen specialize in?
While Dr. John Gruen is a Neurosurgery, they have specific expertise in Hydrocephalus, Congenital Cardiovascular Shunt, and Normal Pressure Hydrocephalus. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neurosurgery.
Does Dr. John Gruen participate in research or clinical trials?
Yes. Dr. John Gruen has published 8 articles and abstracts on conditions like Hydrocephalus. You can view a list of Dr. John Gruen's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John Gruen accept my insurance?
Dr. John Gruen accepts most major insurance plans, including Humana. We recommend calling the office directly at 323-226-6734 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Brachial PlexopathyDr. Gruen isExperienced. Learn about Brachial Plexopathy.
- Congenital Cardiovascular ShuntDr. Gruen isExperienced. Learn about Congenital Cardiovascular Shunt.
- Epidural HematomaDr. Gruen isExperienced. Learn about Epidural Hematoma.
- HydrocephalusDr. Gruen isExperienced. Learn about Hydrocephalus.
- Normal Pressure HydrocephalusDr. Gruen isExperienced. Learn about Normal Pressure Hydrocephalus.
- Thoracic Outlet SyndromeDr. Gruen isExperienced. Learn about Thoracic Outlet Syndrome.