1. Home
  2. Directory
  3. California
  4. San Jose
  5. Optometrist
  6. NPI Profile

EMILY YI TUNG O.D.
NPI 1538216130
Optometrist in San Jose, CA

Active since January 04, 2007PECOS Enrolled
5755 COTTLE RD BLDG 5, SAN JOSE, CA 95123(408) 363-4972 Get Directions Write a Review

NPPES record last updated: January 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Emily Yi Tung O.d. NPPES

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

EMILY YI TUNG O.D. (NPI 1538216130) is an individual optometrist in San Jose, California, licensed in California (12130-T) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538216130
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameEMILY YI TUNGCredential: O.D.
Location Address5755 COTTLE RD BLDG 5San Jose, CA 95123-3640
Mailing Address5755 Cottle Rd Bldg 5San Jose, CA 95123-3640 · (408) 363-4972
Phone(408) 363-4972
Sole ProprietorNo
Enumeration DateJanuary 4, 2007
Last NPPES UpdateJanuary 11, 2022
✔ NPI 1538216130 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 · 12130-T
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.
5755 COTTLE RD BLDG 5, San Jose, CA 95123
Open in Google Maps ↗

Other Names 1

Other Name (5)Emily Yi Yu O.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emily Yi Tung O.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Emily Tung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
12 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95123 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

GRACE KINLING WONG O.D.
Optometrist
5755 COTTLE RD BLDG 5
SAN JOSE, CA 95123
Santa Clara County (408) 972-3700

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 Emily Tung's NPI number?

The NPI number for Emily Tung is 1538216130. It was assigned to this individual provider in the NPPES registry on January 4, 2007. The provider is also known as Emily Yi Yu O.D..

Where is Emily Tung located?

Emily Tung practices at 5755 Cottle Rd Bldg 5, San Jose, CA 95123. The listed phone number is (408) 363-4972.

What is Emily Tung's specialty?

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

Is Emily Tung enrolled in Medicare?

Yes. Emily Tung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Emily Tung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Tung reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The 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 Emily Tung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Emily Tung was last updated on January 11, 2022. 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.