DR. JOSEPHINE LAI O.D.
NPI 1225068836
Optometrist in Lancaster, CA
About Dr. Josephine Lai O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPHINE LAI O.D. (NPI 1225068836) is an individual optometrist in Lancaster, California, licensed in California (12598) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Josephine Lai O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Josephine Lai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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 93534 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 7
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 Josephine Lai's NPI number?
The NPI number for Josephine Lai is 1225068836. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Josephine Lai located?
Josephine Lai practices at 1739 W Avenue J, Lancaster, CA 93534. The listed phone number is (661) 945-4502.
What is Josephine Lai's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Josephine Lai enrolled in Medicare?
Yes. Josephine Lai is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Josephine Lai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Josephine Lai reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Josephine Lai'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 Josephine Lai was last updated on December 1, 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.