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RETINA ASSOCIATES LTD
NPI 1629067673
Ophthalmology in Elmhurst, IL

Active since October 20, 2005CLIA 14D2334351 · Waiver
133 E BRUSH HILL RD STE 300, ELMHURST, IL 60126(630) 571-1501(630) 571-5679 Get Directions Write a Review

NPPES record last updated: June 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 6, 2024, Sep 29, 2022, May 19, 2017 (3 updates tracked since 2017).

About Retina Associates Ltd NPPES

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

RETINA ASSOCIATES LTD (NPI 1629067673) is a healthcare organization registered as an ophthalmology in Elmhurst, Illinois and active in the NPI registry since October 2005. The organization holds a CLIA Waiver certificate valid through November 18, 2027 and lists Aaron B Weinberg, President, as its authorized official.

NPPES Registry Identity

NPI1629067673
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameRETINA ASSOCIATES LTD
Location Address133 E BRUSH HILL RD STE 300Elmhurst, IL 60126-5659
Mailing Address133 E Brush Hill Rd Ste 300Elmhurst, IL 60126-5659 · (630) 571-1501 · Fax (630) 571-5679
Phone(630) 571-1501
Fax(630) 571-5679
Organization SubpartNo
Authorized OfficialAaron B WeinbergPresident · (630) 571-1501
Enumeration DateOctober 20, 2005
Last NPPES UpdateJune 6, 20243 updates tracked since enumeration
NPPES CertifiedJune 6, 2024
✔ NPI 1629067673 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
133 E BRUSH HILL RD STE 300, Elmhurst, IL 60126
Open in Google Maps ↗

Other Identifiers 3

OtherCD1803IL · Rr Medicare
Other2201714IL · Group Bcbs Of Il
OtherCM7388IL · Rr Medicare Group

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.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 Associates Ltd 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 Associates Ltd, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Mohamed Adenwalla, M.D.
Ophthalmology
NPI 1184679524
133 E BRUSH HILL RD STE 300
Elmhurst, IL 60126
(630) 571-1501
✔ PECOS✔ Accepts Medicare0.2 mi
Aaron Weinberg, M.D/
Ophthalmology
NPI 1801834676
133 E BRUSH HILL RD STE 300
Elmhurst, IL 60126
(630) 571-1501
✔ PECOS✔ Accepts Medicare0.2 mi
Kenneth Resnick, M.D.
Ophthalmology
NPI 1790724045
133 E BRUSH HILL RD STE 300
Elmhurst, IL 60126
(630) 571-1501
✔ PECOS✔ Accepts Medicare0.3 mi
Hudson Stern, M.D.
Ophthalmology
NPI 1285085373
133 E BRUSH HILL RD STE 300
Elmhurst, IL 60126
(630) 571-1501
✔ PECOS✔ Accepts Medicare0.5 mi
Rehan Hussain, M.D,
Ophthalmology
NPI 1922340066
1530 N RANDALL RD STE 202
Elgin, IL 60123
(847) 488-1030
✔ PECOS✔ Accepts Medicare25 mi
Armando Garcia, MD, MS
Ophthalmology
NPI 1528621547
33 RESEARCH WAY STE 13
East Setauket, NY 11733
(631) 444-4090
✔ PECOS✔ Accepts Medicare774 mi
Dagmara Danek, D.O.
Ophthalmology
NPI 1235635251
255 S ROUTT ST STE 200
Lakewood, CO 80228
(303) 261-1600
✔ PECOS✔ Accepts Medicare912 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2334351

Retina Associates, Ltd · Elmhurst, IL
Active · expires Nov 18, 2027
CLIA Number14D2334351
Laboratory TypePhysician Office
Certificate Effective DateNovember 19, 2025
Certificate Expiration DateNovember 18, 2027
Laboratory DirectorAaron B. Weinberg
Laboratory Phone(630) 571-1501
Laboratory LocationRetina Associates, Ltd133 E Brush Hill Rd - Ste 300, Elmhurst, IL 60126
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Associates Ltd's NPI number?

The NPI number for Retina Associates Ltd is 1629067673. It was assigned to this organization in the NPPES registry on October 20, 2005.

Where is Retina Associates Ltd located?

Retina Associates Ltd is located at 133 E Brush Hill Rd Ste 300, Elmhurst, IL 60126. The listed phone number is (630) 571-1501.

What is Retina Associates Ltd's specialty?

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

Is Retina Associates Ltd enrolled in Medicare?

Yes. Retina Associates Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Retina Associates Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Ophthalmology, reassign their Medicare billing to Retina Associates Ltd. 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. Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Retina Associates Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2334351) is associated with this NPI, valid through November 18, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Retina Associates Ltd accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Retina Associates Ltd 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 Associates Ltd was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.