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KATIE W. CHU, O.D., INC.
NPI 1891865267
Optometrist in Rosemead, CA

Active since November 09, 2006
3106 SAN GABRIEL BLVD, UNIT H, ROSEMEAD, CA 91770(626) 288-6278(626) 571-1868 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katie W. Chu, O.d., Inc. NPPES

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

KATIE W. CHU, O.D., INC. (NPI 1891865267) is a healthcare organization registered as an optometrist in Rosemead, California and active in the NPI registry since November 2006. The organization lists Katie Wankay Chu, President, as its authorized official.

NPPES Registry Identity

NPI1891865267
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameKATIE W. CHU, O.D., INC.
Location Address3106 SAN GABRIEL BLVD, UNIT HRosemead, CA 91770-2579
Mailing Address3106 San Gabriel Blvd, Unit HRosemead, CA 91770-2579 · (626) 288-6278 · Fax (626) 571-1868
Phone(626) 288-6278
Fax(626) 571-1868
Organization SubpartNo
Authorized OfficialKatie Wankay ChuPresident · (626) 298-0790
Enumeration DateNovember 9, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1891865267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · COR 1116
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.
3106 SAN GABRIEL BLVD, Rosemead, CA 91770
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Other Identifiers 1

MedicaidSD0106050CA

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.Insurance ›

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)

Katie W. Chu, O.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 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 IDO20060223000788Non-DME Part B · Clinic/Group PracticeDue dateMarch 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 Katie W. Chu, O.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Katie Chu, O.D.
Optometry
NPI 1689756629
3106 SAN GABRIEL BLVD UNIT H
Rosemead, CA 91770
(626) 288-6278
✔ PECOSSame address

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 Katie W. Chu, O.D., Inc.'s NPI number?

The NPI number for Katie W. Chu, O.D., Inc. is 1891865267. It was assigned to this organization in the NPPES registry on November 9, 2006.

Where is Katie W. Chu, O.D., Inc. located?

Katie W. Chu, O.D., Inc. is located at 3106 San Gabriel Blvd Unit H, Rosemead, CA 91770. The listed phone number is (626) 288-6278.

What is Katie W. Chu, O.D., Inc.'s specialty?

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

Is Katie W. Chu, O.D., Inc. enrolled in Medicare?

Yes. Katie W. Chu, O.D., Inc. is registered in the Medicare PECOS enrollment system.

When is Katie W. Chu, O.D., 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 March 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 Katie W. Chu, O.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Katie W. Chu, O.D., 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.

What insurance does Katie W. Chu, O.D., Inc. 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 Katie W. Chu, O.D., Inc. 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 Katie W. Chu, O.D., Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.