MEI NEI LIU O.D.
NPI 1427456227
Optometrist in Santa Ana, CA
About Mei Nei Liu O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEI NEI LIU O.D. (NPI 1427456227) is an individual optometrist in Santa Ana, California, licensed in California (15145) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Mei Nei Liu O.d. 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 Mei Liu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Kuei-Yu Chang Od Inc A Professional Corporation
- 4 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 92705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Mei Liu's NPI number?
The NPI number for Mei Liu is 1427456227. It was assigned to this individual provider in the NPPES registry on December 10, 2014.
Where is Mei Liu located?
Mei Liu practices at 1200 N Tustin Ave Ste 140, Santa Ana, CA 92705. The listed phone number is (714) 972-8432.
What is Mei Liu's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Mei Liu enrolled in Medicare?
Yes. Mei 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 Mei Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mei Liu reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Anaheim, CA) and Kuei-Yu Chang O.D. Inc., A Professional Corporation (Irvine, 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 Mei Liu'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 Mei Liu was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mei Nei Liu, O.D. · NPI 1427456227
Optometrist provider in Santa Ana, California. Individual provider, active in the CMS NPPES registry since December 10, 2014.
## Identity
- **NPI:** 1427456227 (Entity type: Individual)
- **Enumerated:** December 10, 2014
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 15145 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 N TUSTIN AVE STE 140, Santa Ana, CA 92705-3501
- **Phone:** (714) 972-8432
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Kuei-Yu Chang O.D. Inc., A Professional Corporation (NPI 1861048506, Irvine, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1427456227) · Data from the CMS NPPES public registry.