DR. RACHEL M SIRIGNANO M.D.
NPI 1952691370
Pediatrics - Pediatric Critical Care Medicine in Los Angeles, CA
About Dr. Rachel M Sirignano M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RACHEL M SIRIGNANO M.D. (NPI 1952691370) is an individual pediatric critical care medicine provider in Los Angeles, California, licensed in California (A124345) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Rachel M Sirignano M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Rachel Sirignano reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Corpus Christi, TX 78411
- Reassigned Medicare billing, Texas enrollment
- 510 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Rachel Sirignano's NPI number?
The NPI number for Rachel Sirignano is 1952691370. It was assigned to this individual provider in the NPPES registry on April 19, 2011.
Where is Rachel Sirignano located?
Rachel Sirignano practices at 2801 Atlantic Avenue, Los Angeles, CA 90095. The listed phone number is (714) 665-1797.
What is Rachel Sirignano's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Rachel Sirignano enrolled in Medicare?
Yes. Rachel Sirignano is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rachel Sirignano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Sirignano reassigns Medicare benefits to 3 organizations: University Of California Irvine (Anaheim, CA), Memorialcare Medical Foundation (Fountain Valley, CA) and Children's Physician Services Of South Texas (Corpus Christi, TX). 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 Rachel Sirignano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachel Sirignano accept?
Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list Rachel Sirignano 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.
When was this NPI record last updated?
The NPPES record for Rachel Sirignano was last updated on June 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.