YIH YING YUAN
NPI 1093159980
Student in an Organized Health Care Education/Training Program in Orange, CA
About Yih Ying Yuan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YIH YING YUAN (NPI 1093159980) is an individual student in an organized health care education/training program in Orange, California and active in the NPI registry since April 2013. 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)
Yih Ying Yuan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Yih Ying Yuan 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
- 97 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
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 Yih Ying Yuan's NPI number?
The NPI number for Yih Ying Yuan is 1093159980. It was assigned to this individual provider in the NPPES registry on April 22, 2013.
Where is Yih Ying Yuan located?
Yih Ying Yuan practices at 505 S Main St Suite 525, Orange, CA 92868. The listed phone number is (714) 456-5631.
What is Yih Ying Yuan's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Yih Ying Yuan enrolled in Medicare?
Yes. Yih Ying Yuan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Yih Ying Yuan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yih Ying Yuan reassigns Medicare benefits to Emergency Medicine Specialists 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 Yih Ying Yuan'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 Yih Ying Yuan was last updated on April 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.