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LINCOLN SQUARE MEDICAL CENTER
NPI 1255487641
Pediatrics in Chicago, IL

Active since January 26, 2007
2501 W LAWRENCE AVE, UNIT# C, CHICAGO, IL 60625(773) 989-3344(773) 989-8458 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lincoln Square Medical Center NPPES

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

LINCOLN SQUARE MEDICAL CENTER (NPI 1255487641) is a healthcare organization registered as a pediatrics in Chicago, Illinois and active in the NPI registry since January 2007. The organization lists Zaki A Siddiqui, Md, as its authorized official.

NPPES Registry Identity

NPI1255487641
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameOMNI HEALTH.P.C
Location Address2501 W LAWRENCE AVE, UNIT# CChicago, IL 60625-2958
Mailing Address2501 W Lawrence Ave, Unit# CChicago, IL 60625-2958 · (773) 989-3344 · Fax (773) 989-8458
Phone(773) 989-3344
Fax(773) 989-8458
Organization SubpartNo
Authorized OfficialZaki A SiddiquiMd · (773) 989-3344
Enumeration DateJanuary 26, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1255487641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
2501 W LAWRENCE AVE, Chicago, IL 60625
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Other Names 1

Doing Business AsLincoln Square Medical Center

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 Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).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)

Lincoln Square Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Lincoln Square Medical Center, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Ishrat Osman, M.D.
Internal Medicine
NPI 1992711808
2515 W LAWRENCE AVE
Chicago, IL 60625
(773) 989-3344
✔ PECOS✔ Accepts MedicareSame address
Zaki Siddiqui, M.D.
Pediatric Medicine
NPI 1366534729
2515 W LAWRENCE AVE
Chicago, IL 60625
(773) 989-3344
✔ PECOSSame address
Juwaria Siddiqui, M.D
Family Practice
NPI 1003063264
6501 N LINCOLN AVE
Lincolnwood, IL 60712
(847) 242-1001
✔ PECOS✔ Accepts Medicare2.6 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 Omni Health.P.C's NPI number?

The NPI number for Omni Health.P.C is 1255487641. It was assigned to this organization in the NPPES registry on January 26, 2007. The provider is doing business as Lincoln Square Medical Center.

Where is Omni Health.P.C located?

Omni Health.P.C is located at 2501 W Lawrence Ave Unit# C, Chicago, IL 60625. The listed phone number is (773) 989-3344.

What is Omni Health.P.C's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Omni Health.P.C enrolled in Medicare?

Yes. Omni Health.P.C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Omni Health.P.C?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Omni Health.P.C, in Family Practice, Internal Medicine and Pediatric Medicine. 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, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Omni Health.P.C accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Omni Health.P.C 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 Omni Health.P.C was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.