WING SZE ESTHER YUNG M.D.
NPI 1619102845
Surgery in Loma Linda, CA
About Wing Sze Esther Yung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WING SZE ESTHER YUNG M.D. (NPI 1619102845) is an individual surgery provider in Loma Linda, California, licensed in California (A115731) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Wing Sze Esther Yung M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Wing Sze Yung reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 clinicians in this Medicare group
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
San Bernardino, CA 92408
- Reassigned Medicare billing, California enrollment
- 455 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92350 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
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 Wing Sze Yung's NPI number?
The NPI number for Wing Sze Yung is 1619102845. It was assigned to this individual provider in the NPPES registry on May 18, 2009. The provider is also known as Wing Sze Esther Wu M.D..
Where is Wing Sze Yung located?
Wing Sze Yung practices at 11175 Campus Street #21111 Loma Linda Universiy Healthcare System, Loma Linda, CA 92350. The listed phone number is (909) 558-4286.
What is Wing Sze Yung's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Wing Sze Yung enrolled in Medicare?
Yes. Wing Sze Yung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Wing Sze Yung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wing Sze Yung reassigns Medicare benefits to 3 organizations: Beaver Medical Group P C (Redlands, CA), Faculty Physicians And Surgeons Of Llusm (Riverside, CA) and Sac Health System (San Bernardino, CA). 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 Wing Sze Yung'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 Wing Sze Yung was last updated on December 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Wing Sze Esther Yung, M.D. · NPI 1619102845
Surgery physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since May 18, 2009.
## Identity
- **NPI:** 1619102845 (Entity type: Individual)
- **Enumerated:** May 18, 2009
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A115731 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11175 CAMPUS STREET #21111, LOMA LINDA UNIVERSIY HEALTHCARE SYSTEM, Loma Linda, CA 92350
- **Phone:** (909) 558-4286 · **Fax:** (909) 558-0236
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Beaver Medical Group P C (NPI 1649503319, Redlands, CA); Faculty Physicians And Surgeons Of Llusm (NPI 1013967405, Riverside, CA); Sac Health System (NPI 1013935915, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** December 17, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1619102845) · Data from the CMS NPPES public registry.