BRENDA UYEN LIEN OD
NPI 1285746420
Optometrist in Pasadena, CA
About Brenda Uyen Lien Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRENDA UYEN LIEN OD (NPI 1285746420) is an individual optometrist in Pasadena, California, licensed in California (13042) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Brenda Uyen Lien Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brenda Lien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pasadena, CA 91101
- Reassigned Medicare billing, California enrollment
- 36 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 91101 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 20
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 Brenda Lien's NPI number?
The NPI number for Brenda Lien is 1285746420. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Brenda Lien located?
Brenda Lien practices at 477 E Colorado Blvd, Pasadena, CA 91101. The listed phone number is (626) 796-1191.
What is Brenda Lien's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Brenda Lien enrolled in Medicare?
Yes. Brenda Lien is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brenda Lien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brenda Lien reassigns Medicare benefits to Linden Optometry A Professional Corporation (Pasadena, 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 Brenda Lien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brenda Lien 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 1 other insurer list Brenda Lien 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 Brenda Lien was last updated on August 30, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Brenda Uyen Lien, OD · NPI 1285746420
Optometrist provider in Pasadena, California. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1285746420 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 13042 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 477 E COLORADO BLVD, Pasadena, CA 91101-2024
- **Phone:** (626) 796-1191
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Linden Optometry A Professional Corporation (NPI 1831201078, Pasadena, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 30, 2007
- **Other identifiers:** Medicare UPIN V10148 (CA); Medicaid SD0130420 (CA); Medicare PIN WOP13042A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1285746420) · Data from the CMS NPPES public registry.