ELYSSA M. RUBIN M.D.
NPI 1578738282
Pediatrics - Pediatric Hematology-Oncology in Orange, CA
About Elyssa M. Rubin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELYSSA M. RUBIN M.D. (NPI 1578738282) is an individual pediatric hematology-oncology provider in Orange, California, licensed in California (A88460) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Elyssa M. Rubin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elyssa Rubin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Of Orange County
- 190 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.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Elyssa Rubin's NPI number?
The NPI number for Elyssa Rubin is 1578738282. It was assigned to this individual provider in the NPPES registry on April 23, 2008.
Where is Elyssa Rubin located?
Elyssa Rubin practices at 455 S Main St, Orange, CA 92868. The listed phone number is (714) 516-4348.
What is Elyssa Rubin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Elyssa Rubin enrolled in Medicare?
Yes. Elyssa Rubin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elyssa Rubin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elyssa Rubin reassigns Medicare benefits to Children's Hospital Of Orange County (Orange, CA). The 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 Elyssa Rubin'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 Elyssa Rubin was last updated on April 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.