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GREAT LAKES RETINA, PLLC
NPI 1629878079
Ophthalmology in Arlington Heights, IL

Active since March 15, 2025
3438 N OLD ARLINGTON HEIGHTS RD, ARLINGTON HEIGHTS, IL 60004(847) 551-0049(847) 787-1657 Get Directions Write a Review

NPPES record last updated: March 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Great Lakes Retina, Pllc NPPES

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

GREAT LAKES RETINA, PLLC (NPI 1629878079) is a healthcare organization registered as an ophthalmology in Arlington Heights, Illinois and active in the NPI registry since March 2025. The organization lists Omar Mohamed Hassan, Physician, as its authorized official.

NPPES Registry Identity

NPI1629878079
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameGREAT LAKES RETINA, PLLC
Location Address3438 N OLD ARLINGTON HEIGHTS RDArlington Heights, IL 60004-1552
Mailing Address3438 N Old Arlington Heights RdArlington Heights, IL 60004-1552 · (847) 551-0049 · Fax (847) 787-1657
Phone(847) 551-0049
Fax(847) 787-1657
Organization SubpartNo
Authorized OfficialOmar Mohamed HassanPhysician · (847) 551-0049
Enumeration DateMarch 15, 2025
NPPES CertifiedMarch 15, 2025
✔ NPI 1629878079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedOphthalmology · Retina SpecialistTaxonomy 207WX0107X
3438 N OLD ARLINGTON HEIGHTS RD, Arlington Heights, IL 60004
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Great Lakes Retina, Pllc 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 Great Lakes Retina, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Omar Hassan, MD
Ophthalmology
NPI 1366820441
3438 N OLD ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 551-0049
✔ PECOSSame 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 Great Lakes Retina, PLLC's NPI number?

The NPI number for Great Lakes Retina, PLLC is 1629878079. It was assigned to this organization in the NPPES registry on March 15, 2025.

Where is Great Lakes Retina, PLLC located?

Great Lakes Retina, PLLC is located at 3438 N Old Arlington Heights Rd, Arlington Heights, IL 60004. The listed phone number is (847) 551-0049.

What is Great Lakes Retina, PLLC's specialty?

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

Is Great Lakes Retina, PLLC enrolled in Medicare?

Yes. Great Lakes Retina, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Great Lakes Retina, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Great Lakes Retina, PLLC. 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.

When was this NPI record last updated?

The NPPES record for Great Lakes Retina, PLLC was last updated on March 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.