DR. CATHERINE TUONG O.D.
NPI 1477993723
Optometrist in Ontario, CA

Q: What is Catherine Tuong's NPI number?

The NPI number for Catherine Tuong is 1477993723. It was assigned to this individual provider in the NPPES registry on July 1, 2013.

Q: What is Catherine Tuong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Catherine Tuong was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 01, 2013PECOS EnrolledAccepts Medicare Assignment

951 N MILLIKEN AVE, ONTARIO, CA 91764(909) 481-9801 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 29, 2021, May 11, 2021, Oct 12, 2018 (3 updates tracked since 2018).

On this page

About Dr. Catherine Tuong O.d. NPPES

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

DR. CATHERINE TUONG O.D. (NPI 1477993723) is an individual optometrist in Ontario, California, licensed in California (14662 TLG) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of Southern California College Of Optometry (2013).

NPPES Registry Identity

NPI1477993723

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. CATHERINE TUONGCredential: O.D.

Location Address951 N MILLIKEN AVEOntario, CA 91764-5008

Mailing Address182 W Lemon AveArcadia, CA 91007-8029 · (626) 215-9764

Phone(909) 481-9801

Sole ProprietorYes

Medical School CMSSouthern California College Of OptometryGraduated 2013

Enumeration DateJuly 1, 2013

Last NPPES UpdateNovember 29, 20213 updates tracked since enumeration

NPPES CertifiedNovember 29, 2021

✔ NPI 1477993723 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 · 14662 TLG

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.

951 N MILLIKEN AVE, Ontario, CA 91764

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Secondary Practice Location 1

Location 16363 Valley Springs PkwyRiverside, CA 92507-0905 · Phone (951) 653-0550

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Catherine Tuong O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113240284

PECOS Enrollment IDI20150916000344

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91764 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAM'S CLUB OPTICAL

Eyewear Supplier

951 N MILLIKEN AVE
ONTARIO, CA 91764

San Bernardino County (909) 476-9259

FRISTSIGHT VISION SERVICES, INC.

Optometrist

951 N MILLIKEN AVE
ONTARIO, CA 91764

San Bernardino County (909) 481-9801

MARIE BUZA

Pharmacist

951 N MILLIKEN AVE
ONTARIO, CA 91764

San Bernardino County (909) 476-9083

DR. ROBERT RANDAL EDWARDS O.D.

Optometrist

951 N MILLIKEN AVE, INSIDE SAM'S CLUB
ONTARIO, CA 91764

San Bernardino County (909) 481-9801

DR. JOHNATHAN H VU PHARM D.

Pharmacist

951 N MILLIKEN AVE
ONTARIO, CA 91764

San Bernardino County (909) 476-9083

SAMS WEST INC

Pharmacy (Community/Retail Pharmacy)

951 N MILLIKEN AVE
ONTARIO, CA 91764

San Bernardino County (909) 476-9083

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 Catherine Tuong's NPI number?

The NPI number for Catherine Tuong is 1477993723. It was assigned to this individual provider in the NPPES registry on July 1, 2013.

Where is Catherine Tuong located?

Catherine Tuong practices at 951 N Milliken Ave, Ontario, CA 91764. The listed phone number is (909) 481-9801.

What is Catherine Tuong's specialty?

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

Is Catherine Tuong enrolled in Medicare?

Yes. Catherine Tuong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Catherine Tuong was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.