RESSIA Y LEE M.D.
NPI 1780782938
Pediatrics in Corona, CA
About Ressia Y Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RESSIA Y LEE M.D. (NPI 1780782938) is an individual pediatrics provider in Corona, California, licensed in California (A71070) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Corona.
NPPES Registry Identity
Specialties & Licenses
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)
Ressia Y Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ressia Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 349 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 92883 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.
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 Ressia Lee's NPI number?
The NPI number for Ressia Lee is 1780782938. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Ressia Lee located?
Ressia Lee practices at 21634 Retreat Pkwy, Corona, CA 92883. The listed phone number is (951) 493-6926.
What is Ressia Lee's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ressia Lee enrolled in Medicare?
Yes. Ressia Lee is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ressia Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ressia Lee reassigns Medicare benefits to Riverside Medical Clinic, Inc (Riverside, 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 Ressia Lee'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 Ressia Lee was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.