ELISSA KIM SULLIVAN MD
NPI 1790216422
Pediatrics in San Ysidro, CA
About Elissa Kim Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELISSA KIM SULLIVAN MD (NPI 1790216422) is an individual pediatrics provider in San Ysidro, California, licensed in California (169577) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Aurora.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Elissa Kim Sullivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elissa Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Ysidro, CA 92173
- Reassigned Medicare billing, California enrollment
- 577 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 92173 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN YSIDRO, CA 92173
SAN YSIDRO, CA 92173
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 Elissa Sullivan's NPI number?
The NPI number for Elissa Sullivan is 1790216422. It was assigned to this individual provider in the NPPES registry on March 24, 2017.
Where is Elissa Sullivan located?
Elissa Sullivan practices at 4050 Beyer Blvd, San Ysidro, CA 92173. The listed phone number is (619) 662-4100.
What is Elissa Sullivan's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Elissa Sullivan enrolled in Medicare?
Yes. Elissa Sullivan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elissa Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elissa Sullivan reassigns Medicare benefits to Centro De Salud De La Comunidad De San Ysidro Inc (San Ysidro, 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 Elissa Sullivan'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 Elissa Sullivan was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.