CASTRO VALLEY OPTOMETRY GROUP
NPI 1073817060
Optometrist in Castro Valley, CA

Active since January 05, 2011
4041 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552(510) 881-8343(510) 881-8501 Get Directions Write a Review

NPPES record last updated: March 29, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Castro Valley Optometry Group NPPES

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

CASTRO VALLEY OPTOMETRY GROUP (NPI 1073817060) is a healthcare organization registered as an optometrist in Castro Valley, California and active in the NPI registry since January 2011. The organization lists Chi Ngoc Quang, Ms./president, as its authorized official.

NPPES Registry Identity

NPI1073817060
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameCASTRO VALLEY OPTOMETRY GROUP, INC.
Location Address4041 E CASTRO VALLEY BLVDCastro Valley, CA 94552-4840
Mailing Address4041 E Castro Valley BlvdCastro Valley, CA 94552-4840 · (510) 881-8343 · Fax (510) 881-8501
Fax(510) 881-8501
Organization SubpartNo
Authorized OfficialChi Ngoc QuangMs./president · (510) 881-8343
Enumeration DateJanuary 5, 2011
Last NPPES UpdateMarch 29, 2011
✔ NPI 1073817060 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.
4041 E CASTRO VALLEY BLVD, Castro Valley, CA 94552

Other Names 1

Doing Business AsCastro Valley Optometry Group

Other Identifiers 1

Medicare PINEH029ACA

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

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)

Castro Valley Optometry Group 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 IDO20110112000046Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Castro Valley Optometry Group, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Optometry
NPI 1801337431
4041 E CASTRO VALLEY BLVD
Castro Valley, CA 94552
(510) 881-8343
✔ PECOS0.1 mi
Optometry
NPI 1386871705
4041 E CASTRO VALLEY BLVD
Castro Valley, CA 94552
(510) 881-8343
✔ PECOS0.1 mi
Optometry
NPI 1013049840
4041 E CASTRO VALLEY BLVD
Castro Valley, CA 94552
(510) 881-8343
✔ PECOS✔ Accepts Medicare0.8 mi
Optometry
NPI 1922046994
4598 S TRACY BLVD 130
Tracy, CA 95377
(209) 835-1181
✔ PECOS✔ Accepts Medicare34 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 Castro Valley Optometry Group, Inc.'s NPI number?

The NPI number for Castro Valley Optometry Group, Inc. is 1073817060. It was assigned to this organization in the NPPES registry on January 5, 2011. The provider is doing business as Castro Valley Optometry Group.

Where is Castro Valley Optometry Group, Inc. located?

Castro Valley Optometry Group, Inc. is located at 4041 E Castro Valley Blvd, Castro Valley, CA 94552. The listed phone number is (510) 881-8343.

What is Castro Valley Optometry Group, Inc.'s specialty?

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

Is Castro Valley Optometry Group, Inc. enrolled in Medicare?

Yes. Castro Valley Optometry Group, Inc. is registered in the Medicare PECOS enrollment system.

When is Castro Valley Optometry Group, 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 Castro Valley Optometry Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Optometry, reassign their Medicare billing to Castro Valley Optometry Group, 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, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Castro Valley Optometry Group, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Castro Valley Optometry Group, 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 Castro Valley Optometry Group, Inc. was last updated on March 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.