SYLVIA PHUNG OD
NPI 1194398453
Optometrist in Fontana, CA

Q: What is Sylvia Phung's NPI number?

The NPI number for Sylvia Phung is 1194398453. It was assigned to this individual provider in the NPPES registry on July 22, 2021.

Q: What is Sylvia Phung'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 Sylvia Phung was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 22, 2021PECOS Enrolled

16803 VALLEY BLVD UNIT A, FONTANA, CA 92335(909) 349-0299 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Sylvia Phung Od NPPES

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

SYLVIA PHUNG OD (NPI 1194398453) is an individual optometrist in Fontana, California, licensed in California (34851TLG) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194398453

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameSYLVIA PHUNGCredential: OD

Location Address16803 VALLEY BLVD UNIT AFontana, CA 92335-9242

Mailing Address16803 Valley Blvd Unit AFontana, CA 92335-9242

Phone(909) 349-0299

Sole ProprietorNo

Enumeration DateJuly 22, 2021

NPPES CertifiedJuly 22, 2021

✔ NPI 1194398453 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 · 34851TLG

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.

16803 VALLEY BLVD UNIT A, Fontana, CA 92335

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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sylvia Phung Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 92335 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

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

DR. JENNIFER HO NGUYEN O.D.

Optometrist

16803 VALLEY BLVD UNIT A
FONTANA, CA 92335

San Bernardino County (909) 349-0299

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 Sylvia Phung's NPI number?

The NPI number for Sylvia Phung is 1194398453. It was assigned to this individual provider in the NPPES registry on July 22, 2021.

Where is Sylvia Phung located?

Sylvia Phung practices at 16803 Valley Blvd Unit A, Fontana, CA 92335. The listed phone number is (909) 349-0299.

What is Sylvia Phung's specialty?

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

Is Sylvia Phung enrolled in Medicare?

Yes. Sylvia Phung is registered in the Medicare PECOS enrollment system.

What insurance does Sylvia Phung accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Sylvia Phung 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 Sylvia Phung was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.