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LAKESHORE INFECTIOUS DISEASE ASSOCIATES LTD.
NPI 1346251741
Internal Medicine - Infectious Disease in Chicago, IL

Active since August 10, 2006
2900 N LAKE SHORE DR, CHICAGO, IL 60657(773) 665-3261 Get Directions Write a Review

NPPES record last updated: October 20, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lakeshore Infectious Disease Associates Ltd. NPPES

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

LAKESHORE INFECTIOUS DISEASE ASSOCIATES LTD. (NPI 1346251741) is a healthcare organization registered as an infectious disease in Chicago, Illinois and active in the NPI registry since August 2006. The organization lists Joel Spear, Partner, as its authorized official.

NPPES Registry Identity

NPI1346251741
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameLAKESHORE INFECTIOUS DISEASE ASSOCIATES LTD.
Location Address2900 N LAKE SHORE DRChicago, IL 60657-5640
Mailing Address777 Oakmont Ln, Suite 1600Westmont, IL 60559-5511 · (630) 789-2550
Phone(773) 665-3261
Organization SubpartNo
Authorized OfficialJoel SpearPartner · (773) 665-3261
Enumeration DateAugust 10, 2006
Last NPPES UpdateOctober 20, 2010
✔ NPI 1346251741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2900 N LAKE SHORE DR, Chicago, IL 60657
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Other Identifiers 2

Medicare NSC5167580001IL
Medicare PIN939600IL

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, Ambetter Health of Delaware.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)

Lakeshore Infectious Disease Associates Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Lakeshore Infectious Disease Associates Ltd., which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Natasa Margeta, M.D.
Internal Medicine
NPI 1265691125
2900 N LAKE SHORE DR #1231 (12TH FLOOR)
Chicago, IL 60657
(773) 665-3261
✔ PECOS✔ Accepts Medicare0.2 mi
Toral Patel, M.D.
Internal Medicine
NPI 1902008006
2900 N LAKE SHORE DR #1231
Chicago, IL 60657
(312) 402-8735
✔ PECOS✔ Accepts Medicare0.2 mi
Monica Sharma, D.O.
Infectious Disease
NPI 1477710788
2900 N LAKE SHORE DR SUITE 1231
Chicago, IL 60657
(773) 665-3261
✔ PECOS✔ Accepts Medicare0.2 mi
James Sullivan, MD
Infectious Disease
NPI 1346236379
2900 N LAKE SHORE DR SUITE 1231
Chicago, IL 60657
(773) 665-3261
✔ PECOS✔ Accepts Medicare0.2 mi
Mitchell Weinstein, M.D.
Infectious Disease
NPI 1447270475
2900 N LAKESHORE DR 12TH FLOOR
Chicago, IL 60657
(773) 665-3261
✔ PECOS✔ Accepts Medicare0.2 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 Lakeshore Infectious Disease Associates Ltd.'s NPI number?

The NPI number for Lakeshore Infectious Disease Associates Ltd. is 1346251741. It was assigned to this organization in the NPPES registry on August 10, 2006.

Where is Lakeshore Infectious Disease Associates Ltd. located?

Lakeshore Infectious Disease Associates Ltd. is located at 2900 N Lake Shore Dr, Chicago, IL 60657. The listed phone number is (773) 665-3261.

What is Lakeshore Infectious Disease Associates Ltd.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Lakeshore Infectious Disease Associates Ltd. enrolled in Medicare?

Yes. Lakeshore Infectious Disease Associates Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lakeshore Infectious Disease Associates Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Lakeshore Infectious Disease 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. The largest specialties are Infectious Disease (3) and Internal Medicine (2). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Lakeshore Infectious Disease Associates Ltd. accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Lakeshore Infectious Disease 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 Lakeshore Infectious Disease Associates Ltd. was last updated on October 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.