YI ZHANG RD
NPI 1821871765
Dietitian, Registered in Irvine, CA
About Yi Zhang Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YI ZHANG RD (NPI 1821871765) is an individual dietitian, registered in Irvine, California, licensed in California (86106575) and active in the NPI registry since August 2023. She is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Yi Zhang Rd 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 Reassignment
Medicare enrollment records show Yi Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Yi Zhang's NPI number?
The NPI number for Yi Zhang is 1821871765. It was assigned to this individual provider in the NPPES registry on August 15, 2023.
Where is Yi Zhang located?
Yi Zhang practices at 150 Novel, Irvine, CA 92618. The listed phone number is (310) 349-6278.
What is Yi Zhang's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Yi Zhang enrolled in Medicare?
Yes. Yi Zhang 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 organization bills Medicare for Yi Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yi Zhang reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, 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 Yi Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yi Zhang accept?
Health plans from Blue Cross and Blue Shield of Texas list Yi Zhang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Yi Zhang was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Yi Zhang, RD · NPI 1821871765
Dietitian, Registered provider in Irvine, California. Individual provider, active in the CMS NPPES registry since August 15, 2023.
## Identity
- **NPI:** 1821871765 (Entity type: Individual)
- **Enumerated:** August 15, 2023
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 86106575 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 150 NOVEL, Irvine, CA 92618-1791
- **Phone:** (310) 349-6278
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821871765) · Data from the CMS NPPES public registry.