YIGUAN ZHANG MD
NPI 1508446972
Family Medicine in Pasadena, CA
About Yiguan Zhang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YIGUAN ZHANG MD (NPI 1508446972) is an individual family medicine provider in Pasadena, California, licensed in California (A181629) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Yiguan Zhang Md 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 Yiguan Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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
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 91105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by ANGELA ***** January 4, 2026
5/5Other 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 Yiguan Zhang's NPI number?
The NPI number for Yiguan Zhang is 1508446972. It was assigned to this individual provider in the NPPES registry on April 10, 2021.
Where is Yiguan Zhang located?
Yiguan Zhang practices at 988 S Fair Oaks Ave, Pasadena, CA 91105. The listed phone number is (626) 799-4191.
What is Yiguan Zhang's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Yiguan Zhang enrolled in Medicare?
Yes. Yiguan 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 Yiguan Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yiguan Zhang reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Yiguan Zhang'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 Yiguan Zhang was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.