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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ROBERT A WEISS M.D.
NPI 1184661159
Ophthalmology in Chicago, IL

Active since May 31, 2006
3982 N MILWAUKEE AVE, CHICAGO, IL 60641(773) 282-2000(773) 282-9428 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Robert A Weiss M.d. NPPES

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

DR. ROBERT A WEISS M.D. (NPI 1184661159) is an individual ophthalmology provider in Chicago, Illinois and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1184661159
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. ROBERT A WEISSCredential: M.D.
Location Address3982 N MILWAUKEE AVEChicago, IL 60641-2703
Mailing Address3982 N Milwaukee AveChicago, IL 60641-2703 · (773) 282-2000 · Fax (773) 282-9428
Phone(773) 282-2000
Fax(773) 282-9428
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1184661159 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.
3982 N MILWAUKEE AVE, Chicago, IL 60641
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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID ARNOLD GREENBERG O.D.
Optometrist
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. HARVINDER KAUR SANDHU ATLURI M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. OSVALDO I LOPEZ M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. ANDREW O LEWICKY M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. MICHAEL S KOREY M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. DAVID J TRESLEY M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000
DR. FRANCISCO MARRUENDA M.D.
Ophthalmology
3982 N MILWAUKEE AVE
CHICAGO, IL 60641
Cook County (773) 282-2000

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 Robert Weiss's NPI number?

The NPI number for Robert Weiss is 1184661159. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Robert Weiss located?

Robert Weiss practices at 3982 N Milwaukee Ave, Chicago, IL 60641. The listed phone number is (773) 282-2000.

What is Robert Weiss's specialty?

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

When was this NPI record last updated?

The NPPES record for Robert Weiss was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.