ROBERT C. RENNERT M.D.
NPI 1477966851
Neurological Surgery in Los Angeles, CA
About Robert C. Rennert M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT C. RENNERT M.D. (NPI 1477966851) is an individual neurological surgery provider in Los Angeles, California, licensed in California (A139629) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of Ohio State University College Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Robert C. Rennert M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Robert Rennert reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverton, UT 84065
- Reassigned Medicare billing, Utah enrollment
- 751 clinicians in this Medicare group
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 338 clinicians in this Medicare group
Salt Lake City, UT 84108
- Reassigned Medicare billing, Utah enrollment
- 65 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTHoly Cross Hospital-Davis
Acute Care Hospitals · Layton, UTStar Valley Medical Center
Critical Access Hospitals · Afton, WYPhysician 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
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 Robert Rennert's NPI number?
The NPI number for Robert Rennert is 1477966851. It was assigned to this individual provider in the NPPES registry on June 3, 2014.
Where is Robert Rennert located?
Robert Rennert practices at 1520 San Pablo St Ste 3800, Los Angeles, CA 90033. The listed phone number is (323) 442-5720.
What is Robert Rennert's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Robert Rennert enrolled in Medicare?
Yes. Robert Rennert is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Robert Rennert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Rennert reassigns Medicare benefits to 3 organizations: University Of Utah Pediatric Services (Riverton, UT), University Of Utah Acuity Care Services (Salt Lake City, UT) and University Of Utah Surgical Services (Salt Lake City, UT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Rennert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Rennert accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Robert Rennert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Rennert affiliated with any hospitals?
According to CMS data, Robert Rennert is affiliated with University Of Utah Hospitals And Clinics, Holy Cross Hospital-Davis and Star Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Rennert was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.