DR. JOHN PETER GRUEN M.D.
NPI 1194769570
Neurological Surgery in Los Angeles, CA
About Dr. John Peter Gruen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PETER GRUEN M.D. (NPI 1194769570) is an individual neurological surgery provider in Los Angeles, California, licensed in California (G63324) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Peter Gruen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Gruen's NPI number?
The NPI number for John Gruen is 1194769570. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is John Gruen located?
John Gruen practices at 1520 San Pablo St Ste 3800, Los Angeles, CA 90033. The listed phone number is (323) 442-5720.
What is John Gruen's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John Gruen enrolled in Medicare?
Yes. John Gruen is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for John Gruen was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.