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LT OPTOMETRY
NPI 1861688103
Optometrist in Westminster, CA

Active since September 20, 2007
9842 BOLSA AVE STE 104, WESTMINSTER, CA 92683(714) 775-3237 Get Directions Write a Review

NPPES record last updated: July 8, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lt Optometry NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LT OPTOMETRY (NPI 1861688103) is a healthcare organization registered as an optometrist in Westminster, California and active in the NPI registry since September 2007. The organization lists Lina Ngoc Than, Ceo, as its authorized official.

NPPES Registry Identity

NPI1861688103
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameLINA THAN OD INC
Location Address9842 BOLSA AVE STE 104Westminster, CA 92683-6686
Mailing Address9842 Bolsa Ave Ste 104Westminster, CA 92683-6686 · (714) 775-3237
Phone(714) 775-3237
Organization SubpartNo
Authorized OfficialLina Ngoc ThanCeo · (714) 775-3237
Enumeration DateSeptember 20, 2007
Last NPPES UpdateJuly 8, 2010
✔ NPI 1861688103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
9842 BOLSA AVE STE 104, Westminster, CA 92683
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Other Names 1

Doing Business AsLt Optometry

Other Identifiers 2

Medicare PINBC531CA
MedicaidSD0130910CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lt Optometry is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20071009000528Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Lt Optometry, which bills Medicare for the services this clinician delivers.

Clinician (1)

Lina Than, O.D.
Optometry
NPI 1679597009
9842 BOLSA AVE STE 104
Westminster, CA 92683
(714) 775-3237
✔ PECOS0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Lina Than Od Inc's NPI number?

The NPI number for Lina Than Od Inc is 1861688103. It was assigned to this organization in the NPPES registry on September 20, 2007. The provider is doing business as Lt Optometry.

Where is Lina Than Od Inc located?

Lina Than Od Inc is located at 9842 Bolsa Ave Ste 104, Westminster, CA 92683. The listed phone number is (714) 775-3237.

What is Lina Than Od Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Lina Than Od Inc enrolled in Medicare?

Yes. Lina Than Od Inc is registered in the Medicare PECOS enrollment system.

When is Lina Than Od Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Lina Than Od Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Lina Than Od Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Lina Than Od Inc was last updated on July 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.