ERIC TSENG O.D., PROF. CORP.
NPI 1164664280
Optometrist in Chicago, IL

Q: What is Eric Tseng O.D., Prof. Corp.'s NPI number?

The NPI number for Eric Tseng O.D., Prof. Corp. is 1164664280. It was assigned to this organization in the NPPES registry on April 3, 2009.

Q: What is Eric Tseng O.D., Prof. Corp.'s specialty?

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

Active since April 03, 2009

9928 S WESTERN AVE, CHICAGO, IL 60643(773) 303-8279(773) 681-7119 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Eric Tseng O.d., Prof. Corp. NPPES

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

ERIC TSENG O.D., PROF. CORP. (NPI 1164664280) is a healthcare organization registered as an optometrist in Chicago, Illinois and active in the NPI registry since April 2009. The organization lists Eric Tseng, President, as its authorized official.

NPPES Registry Identity

NPI1164664280

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameERIC TSENG O.D., PROF. CORP.

Location Address9928 S WESTERN AVEChicago, IL 60643-1831

Mailing Address9928 S Western AveChicago, IL 60643-1831 · (773) 303-8279 · Fax (773) 681-7119

Phone(773) 303-8279

Fax(773) 681-7119

Organization SubpartNo

Authorized OfficialEric TsengPresident · (773) 303-8279

Enumeration DateApril 3, 2009

Last NPPES UpdateApril 23, 2026

NPPES CertifiedApril 23, 2026

✔ NPI 1164664280 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 IL · 046010071

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.

9928 S WESTERN AVE, Chicago, IL 60643

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Other Identifiers 3

Medicaid046010071IL

Medicaid1629233580IL

OtherIL2815IL · Ptan

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Blue Cross and Blue Shield of Louisiana and more.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)

Eric Tseng O.d., Prof. Corp. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Eric Tseng O.D., Prof. Corp., which bills Medicare for the services this clinician delivers.

Clinician (1)

Eric Tseng, O.D,

Optometry

NPI 1629233580

9928 S WESTERN AVE
Chicago, IL 60643

(773) 303-8279

✔ PECOS✔ Accepts MedicareSame address

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 Eric Tseng O.D., Prof. Corp.'s NPI number?

The NPI number for Eric Tseng O.D., Prof. Corp. is 1164664280. It was assigned to this organization in the NPPES registry on April 3, 2009.

Where is Eric Tseng O.D., Prof. Corp. located?

Eric Tseng O.D., Prof. Corp. is located at 9928 S Western Ave, Chicago, IL 60643. The listed phone number is (773) 303-8279.

What is Eric Tseng O.D., Prof. Corp.'s specialty?

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

Is Eric Tseng O.D., Prof. Corp. enrolled in Medicare?

Yes. Eric Tseng O.D., Prof. Corp. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eric Tseng O.D., Prof. Corp.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Eric Tseng O.D., Prof. Corp.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Eric Tseng O.D., Prof. Corp. accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Health list Eric Tseng O.D., Prof. Corp. 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 Eric Tseng O.D., Prof. Corp. was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.