YINGNA LIU MD
NPI 1932631462
Ophthalmology - Retina Specialist in Tracy, CA
About Yingna Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YINGNA LIU MD (NPI 1932631462) is an individual retina specialist in Tracy, California, licensed in California (A157345) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Harvard Medical School (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Yingna Liu 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 Reassignments
2Medicare enrollment records show Yingna Liu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 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 14
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 95377 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 Yingna Liu's NPI number?
The NPI number for Yingna Liu is 1932631462. It was assigned to this individual provider in the NPPES registry on April 3, 2017.
Where is Yingna Liu located?
Yingna Liu practices at 2160 W Grant Line Rd Ste 240, Tracy, CA 95377. The listed phone number is (800) 573-8462.
What is Yingna Liu's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is Yingna Liu enrolled in Medicare?
Yes. Yingna Liu 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 Yingna Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yingna Liu reassigns Medicare benefits to 2 organizations: Bay Area Retina Associates (Walnut Creek, CA) and Alameda Health System (Newark, 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 Yingna Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yingna Liu accept?
Health plans from Taro Health list Yingna Liu 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 Yingna Liu was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.