ERIC ZHANG
NPI 1982282760
Optometrist in Diamond Bar, CA
About Eric Zhang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC ZHANG (NPI 1982282760) is an individual optometrist in Diamond Bar, California, licensed in California (34965) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2021).
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
Eric Zhang 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 Eric Zhang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Diamond Bar, CA 91765
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Wayne H Martin MD Inc
- 6 clinicians in this Medicare group
Los Angeles, CA 90012
- Reassigned Medicare billing, California enrollment
- 2 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 6
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 91765 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 Eric Zhang's NPI number?
The NPI number for Eric Zhang is 1982282760. It was assigned to this individual provider in the NPPES registry on April 1, 2021.
Where is Eric Zhang located?
Eric Zhang practices at 1111 Grand Ave Ste A, Diamond Bar, CA 91765. The listed phone number is (909) 860-6768.
What is Eric Zhang's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Eric Zhang enrolled in Medicare?
Yes. Eric 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 organizations bill Medicare for Eric Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Zhang reassigns Medicare benefits to 2 organizations: Wayne H. Martin, M.D., Inc. (Diamond Bar, CA) and Tina S. Patel, O.D. , Professional Corporation (Los Angeles, 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 Eric Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Zhang accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Eric 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 Eric Zhang was last updated on March 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.