ROBERT DANIEL GUGLIELMO
NPI 1407273345
Emergency Medicine - Pediatric Emergency Medicine in Los Angeles, CA
About Robert Daniel Guglielmo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT DANIEL GUGLIELMO (NPI 1407273345) is an individual pediatric emergency medicine provider in Los Angeles, California, licensed in California (A140362) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert Daniel Guglielmo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Robert Guglielmo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Los Angeles, CA 90038
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 2,584 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90027 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 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Guglielmo's NPI number?
The NPI number for Robert Guglielmo is 1407273345. It was assigned to this individual provider in the NPPES registry on March 27, 2014.
Where is Robert Guglielmo located?
Robert Guglielmo practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 660-2450.
What is Robert Guglielmo's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.
Is Robert Guglielmo enrolled in Medicare?
Yes. Robert Guglielmo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Guglielmo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Guglielmo reassigns Medicare benefits to 3 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), County Of Los Angeles (Los Angeles, CA) and Faculty Physicians And Surgeons Of Llusm (Glendale, CA). 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 Guglielmo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Guglielmo was last updated on August 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.