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RETINA VITREOUS ASSOCIATES, PC
NPI 1194711655
Ophthalmology in Oak Lawn, IL

Active since September 21, 2005
4930 W 95TH ST, OAK LAWN, IL 60453(708) 424-8855 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Retina Vitreous Associates, Pc NPPES

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

RETINA VITREOUS ASSOCIATES, PC (NPI 1194711655) is a healthcare organization registered as an ophthalmology in Oak Lawn, Illinois and active in the NPI registry since September 2005. The organization maintains 2 additional practice locations and lists Christopher D Pelzek, President, as its authorized official.

NPPES Registry Identity

NPI1194711655
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameRETINA VITREOUS ASSOCIATES, PC
Location Address4930 W 95TH STOak Lawn, IL 60453-2504
Mailing Address4930 W 95th StOak Lawn, IL 60453-2504 · (708) 424-8855 · Fax (708) 424-6954
Phone(708) 424-8855
Organization SubpartNo
Authorized OfficialChristopher D PelzekPresident · (708) 424-8855
Enumeration DateSeptember 21, 2005
Last NPPES UpdateSeptember 19, 2025
NPPES CertifiedSeptember 19, 2025
✔ NPI 1194711655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
4930 W 95TH ST, Oak Lawn, IL 60453
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Secondary Practice Locations 2

Location 115255 S 94th Ave Ste 202EOrland Park, IL 60462-3810 · Phone (708) 364-1700 · Fax (708) 364-1717
Location 2963 N 129th Infantry Dr Ste 130Joliet, IL 60435-3103 · Phone (815) 744-1812 · Fax (815) 744-1589

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 Ambetter Health.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)

Retina Vitreous Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Retina Vitreous Associates, PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (7)

Ruchita Amin, M.D.
Ophthalmology
NPI 1235367467
931 RIDGE RD STE H
Munster, IN 46321
(219) 836-4110
✔ PECOS✔ Accepts Medicare17 mi
Joel Chasan, M.D.
Ophthalmology
NPI 1730522830
8679 CONNECTICUT STREET SUITE A
Merrillville, IN 46410
(219) 769-9022
✔ PECOS✔ Accepts Medicare28 mi
Tsunkang Chiang, MD
Ophthalmology
NPI 1033745021
8679 CONNECTICUT ST STE A
Merrillville, IN 46410
(219) 769-9022
✔ PECOS✔ Accepts Medicare28 mi
James Eadie, M.D.
Ophthalmology
NPI 1205091097
8679 CONNECTICUT ST STE A
Merrillville, IN 46410
(219) 769-9022
✔ PECOS✔ Accepts Medicare28 mi
Christopher Pelzek, M.D.
Ophthalmology
NPI 1669475281
8679 CONNECTICUT ST STE A
Merrillville, IN 46410
(219) 769-9022
✔ PECOS✔ Accepts Medicare28 mi
Sahana Vyas, M.D.
Ophthalmology
NPI 1851312326
8679 CONNECTICUT STREET SUITE A
Merrillville, IN 46410
(219) 769-9022
✔ PECOS✔ Accepts Medicare28 mi
Philip Kurochkin, MD
Ophthalmology
NPI 1962931303
303 S MAIN ST STE 215
Mishawaka, IN 46544
(574) 291-4000
✔ PECOS✔ Accepts Medicare81 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 Retina Vitreous Associates, PC's NPI number?

The NPI number for Retina Vitreous Associates, PC is 1194711655. It was assigned to this organization in the NPPES registry on September 21, 2005.

Where is Retina Vitreous Associates, PC located?

Retina Vitreous Associates, PC is located at 4930 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 424-8855.

What is Retina Vitreous Associates, PC's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Retina Vitreous Associates, PC enrolled in Medicare?

Yes. Retina Vitreous Associates, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Retina Vitreous Associates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Ophthalmology, reassign their Medicare billing to Retina Vitreous Associates, PC. 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 Retina Vitreous Associates, PC accept?

Health plans from Ambetter Health list Retina Vitreous Associates, PC 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 Retina Vitreous Associates, PC was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.