LOOKING GLASS OPTOMETRY INC
NPI 1366416596
Optometrist in Pleasant Hill, CA

Q: What is Looking Glass Optometry Inc's NPI number?

The NPI number for Looking Glass Optometry Inc is 1366416596. It was assigned to this organization in the NPPES registry on February 15, 2006.

Q: What is Looking Glass Optometry Inc's specialty?

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

Active since February 15, 2006

401 GREGORY LN, SUITE 110, PLEASANT HILL, CA 94523(925) 687-7638(925) 687-3079 Get Directions Write a Review

NPPES record last updated: January 31, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Looking Glass Optometry Inc NPPES

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

LOOKING GLASS OPTOMETRY INC (NPI 1366416596) is a healthcare organization registered as an optometrist in Pleasant Hill, California and active in the NPI registry since February 2006. The organization lists Eileen I-chun Cheng, President, as its authorized official.

NPPES Registry Identity

NPI1366416596

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameLOOKING GLASS OPTOMETRY INC

Location Address401 GREGORY LN, SUITE 110Pleasant Hill, CA 94523-2800

Mailing Address401 Gregory Ln, Suite 110Pleasant Hill, CA 94523-2800 · (925) 687-7638 · Fax (925) 687-3079

Phone(925) 687-7638

Fax(925) 687-3079

Organization SubpartNo

Authorized OfficialEileen I-chun ChengPresident · (925) 687-7638

Enumeration DateFebruary 15, 2006

Last NPPES UpdateJanuary 31, 2018

✔ NPI 1366416596 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 · 10846T

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.

401 GREGORY LN, Pleasant Hill, CA 94523

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Looking Glass Optometry Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Eileen Cheng, O.D.

Optometry

NPI 1215907076

401 GREGORY LN SUITE 110
Pleasant Hill, CA 94523

(925) 687-7638

✔ PECOSSame address

Kevin Dong, O.D.

Optometry

NPI 1366411894

401 GREGORY LN SUITE 110
Pleasant Hill, CA 94523

(925) 687-7638

✔ 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 Looking Glass Optometry Inc's NPI number?

The NPI number for Looking Glass Optometry Inc is 1366416596. It was assigned to this organization in the NPPES registry on February 15, 2006.

Where is Looking Glass Optometry Inc located?

Looking Glass Optometry Inc is located at 401 Gregory Ln Suite 110, Pleasant Hill, CA 94523. The listed phone number is (925) 687-7638.

What is Looking Glass Optometry Inc's specialty?

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

Is Looking Glass Optometry Inc enrolled in Medicare?

Yes. Looking Glass Optometry Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Looking Glass Optometry Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Looking Glass Optometry 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Looking Glass Optometry Inc was last updated on January 31, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.