VIVIAN YANG MD
NPI 1639604523
Family Medicine in Moreno Valley, CA
About Vivian Yang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN YANG MD (NPI 1639604523) is an individual family medicine provider in Moreno Valley, California, licensed in California (A159860) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Vivian Yang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Vivian Yang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Moreno Valley, CA 92553
- Reassigned Medicare billing, California enrollment
- 336 clinicians in this Medicare group
Moreno Valley, CA 92555
- Reassigned Medicare billing, California enrollment
- 26 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 3
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 92553 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.
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.
MORENO VALLEY, CA 92553
MORENO VALLEY, CA 92553
MORENO VALLEY, CA 92553
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 Vivian Yang's NPI number?
The NPI number for Vivian Yang is 1639604523. It was assigned to this individual provider in the NPPES registry on April 27, 2017.
Where is Vivian Yang located?
Vivian Yang practices at 23520 Cactus Ave, Moreno Valley, CA 92553. The listed phone number is (951) 867-3900.
What is Vivian Yang's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Vivian Yang enrolled in Medicare?
Yes. Vivian Yang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Vivian Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Yang reassigns Medicare benefits to 2 organizations: County Of Riverside (Moreno Valley, CA) and Canyon Springs Medical Group, Inc. (Moreno Valley, 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 Vivian Yang'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 Vivian Yang was last updated on September 17, 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.
# Vivian Yang, MD · NPI 1639604523
Family Medicine physician in Moreno Valley, California. Individual provider, active in the CMS NPPES registry since April 27, 2017.
## Identity
- **NPI:** 1639604523 (Entity type: Individual)
- **Enumerated:** April 27, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A159860 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23520 CACTUS AVE, Moreno Valley, CA 92553-8906
- **Phone:** (951) 867-3900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Riverside (NPI 1437642345, Moreno Valley, CA); Canyon Springs Medical Group, Inc. (NPI 1073669404, Moreno Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1639604523) · Data from the CMS NPPES public registry.