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HILLSIDE OPTOMETRY INC
NPI 1457060857
Optometrist in Granada Hills, CA

Active since November 15, 2022
16907 SAN FERNANDO MISSION BLVD, GRANADA HILLS, CA 91344(818) 474-2020 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2025, Jun 21, 2023, Jan 30, 2023 and 1 more (4 updates tracked since 2022).

About Hillside Optometry Inc NPPES

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

HILLSIDE OPTOMETRY INC (NPI 1457060857), doing business as Hillside Optometry, is a healthcare organization registered as an optometrist in Granada Hills, California and active in the NPI registry since November 2022. The organization lists Andy Kongsakul, President, as its authorized official.

NPPES Registry Identity

NPI1457060857
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameHILLSIDE OPTOMETRY INC
Location Address16907 SAN FERNANDO MISSION BLVDGranada Hills, CA 91344-4250
Mailing Address16907 San Fernando Mission BlvdGranada Hills, CA 91344-4250 · (818) 474-2020
Phone(818) 474-2020
Organization SubpartNo
Authorized OfficialAndy KongsakulPresident · (818) 474-2020
Enumeration DateNovember 15, 2022
Last NPPES UpdateMay 21, 20254 updates tracked since enumeration
NPPES CertifiedMay 21, 2025
✔ NPI 1457060857 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.
16907 SAN FERNANDO MISSION BLVD, Granada Hills, CA 91344
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Other Names 2

Doing Business AsHillside Optometry
Doing Business AsValley Optometry Eyecare Of Granada Hills

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, BlueCross BlueShield of Tennessee.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Hillside Optometry Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Zi-Lin Linda Weng, OD
Optometry
NPI 1174300768
16907 SAN FERNANDO MISSION BLVD
Granada Hills, CA 91344
(818) 474-2020
✔ PECOSSame address
Andy Kongsakul, O.D.
Optometry
NPI 1497949267
19636 SHERMAN WAY
Reseda, CA 91335
(818) 774-2020
✔ PECOS6.0 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 Hillside Optometry Inc's NPI number?

The NPI number for Hillside Optometry Inc is 1457060857. It was assigned to this organization in the NPPES registry on November 15, 2022. The provider is doing business as Hillside Optometry and Valley Optometry Eyecare of Granada Hills.

Where is Hillside Optometry Inc located?

Hillside Optometry Inc is located at 16907 San Fernando Mission Blvd, Granada Hills, CA 91344. The listed phone number is (818) 474-2020.

What is Hillside Optometry Inc's specialty?

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

Is Hillside Optometry Inc enrolled in Medicare?

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

How many clinicians bill Medicare through Hillside Optometry Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Hillside 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, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Hillside Optometry Inc accept?

Health plans from Anthem Blue Cross and Blue Shield and BlueCross BlueShield of Tennessee list Hillside Optometry 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 Hillside Optometry Inc was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.