DERRICK LAI
NPI 1235825886
Optometrist in Riverside, CA
About Derrick Lai NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DERRICK LAI (NPI 1235825886) is an individual optometrist in Riverside, California, licensed in California (OPT35491-TLG) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2023).
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
Derrick Lai 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 Derrick Lai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 8 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 92506 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92506
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 Derrick Lai's NPI number?
The NPI number for Derrick Lai is 1235825886. It was assigned to this individual provider in the NPPES registry on April 17, 2023.
Where is Derrick Lai located?
Derrick Lai practices at 4605 Brockton Ave Ste 100, Riverside, CA 92506. The listed phone number is (951) 686-4911.
What is Derrick Lai's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Derrick Lai enrolled in Medicare?
Yes. Derrick Lai 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 Derrick Lai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derrick Lai reassigns Medicare benefits to 2 organizations: Riverside Eye Specialists Medical Group Inc. (Riverside, CA) and Gintien Huang MD Inc (San Bernardino, 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 Derrick Lai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derrick Lai accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Derrick Lai 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 Derrick Lai was last updated on August 21, 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.
# Derrick Lai · NPI 1235825886
Optometrist provider in Riverside, California. Individual provider, active in the CMS NPPES registry since April 17, 2023.
## Identity
- **NPI:** 1235825886 (Entity type: Individual)
- **Enumerated:** April 17, 2023
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35491-TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4605 BROCKTON AVE STE 100, Riverside, CA 92506-0107
- **Phone:** (951) 686-4911
## 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): Riverside Eye Specialists Medical Group Inc. (NPI 1508828963, Riverside, CA); Gintien Huang MD Inc (NPI 1609437599, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California - School Of Optometry, class of 2023
## Record status
- **NPPES last updated:** August 21, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1235825886) · Data from the CMS NPPES public registry.