Dr. John Peter Gruen MD is a male Neurosurgeon, has 23 years of experience and practices in Neurological Surgery, Neurology, and Surgery.
A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. John Gruen:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 2 of 4 stars
The overall average patient rating of Dr. John Gruen is Satisfactory.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. John Gruen, MD is board certified in Neurological Surgery.
He has special expertise in 3 Areas, including Neurosurgery, Peripheral Nervous System Diseases, and Wounds and Injuries.
More Specialties & Research
Education & Awards
Dr. Gruen graduated from Columbia University, New York.More Education & Awards
Dr. Gruen has 6 hospital affiliations:
- Los Angeles County + University of Southern California Medical Center
- Huntington Hospital
Accepted Insurance Plans
Dr. Gruen accepts these health insurances in at least one office:
- LA Care Health Plan - 2 plans
- United Healthcare - 16 plans
- Great-West Healthcare - 1 plan
- Unicare - 11 plans
- Anthem Blue Cross - 9 plans
- Blue Shield of California - 77 plans
- Humana - 6 plans
- Cigna - 4 plans
- CaIOPTIMA - 2 plans
- USA H & W Network - 1 plan
More Accepted Insurance