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PATHOLOGY CONSULTANTS OF CHICAGO, LTD.
NPI 1689690562
Pathology - Anatomic Pathology & Clinical Pathology in Chicago, IL

Active since July 14, 2006
2525 S MICHIGAN AVE, CHICAGO, IL 60616(773) 990-5739 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2025, Sep 24, 2024, Jun 11, 2019 (3 updates tracked since 2019).

About Pathology Consultants Of Chicago, Ltd. NPPES

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

PATHOLOGY CONSULTANTS OF CHICAGO, LTD. (NPI 1689690562) is a healthcare organization registered as an anatomic pathology & clinical pathology in Chicago, Illinois and active in the NPI registry since July 2006. The organization lists Ven Aduana, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1689690562
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NamePATHOLOGY CONSULTANTS OF CHICAGO, LTD.
Location Address2525 S MICHIGAN AVEChicago, IL 60616-2333
Mailing AddressPo Box 88493Chicago, IL 60680-1493 · (773) 990-5739
Phone(773) 990-5739
Organization SubpartNo
Authorized OfficialVen AduanaAuthorized Official · (847) 757-7515
Enumeration DateJuly 14, 2006
Last NPPES UpdateAugust 21, 20253 updates tracked since enumeration
NPPES CertifiedAugust 21, 2025
✔ NPI 1689690562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2525 S MICHIGAN AVE, Chicago, IL 60616
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Other Identifiers 2

Other01622983IL · Blue Cross Blue Shield
OtherCI8616IL · Railroad Medicare

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pathology Consultants Of Chicago, 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 Pathology Consultants Of Chicago, Ltd., which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Anita Ong, MD
Pathology
NPI 1891806907
2929 S ELLIS AVENUE 1 KP
Chicago, IL 60616
(312) 791-5344
✔ PECOS✔ Accepts Medicare0.5 mi
April Platt, M.D.
Pathology
NPI 1679566574
333 MADISON ST
Joliet, IL 60435
(815) 725-7222
✔ PECOS✔ Accepts Medicare34 mi
Frederick Ng, M.D.
Pathology
NPI 1215938097
ST. ALEXIUS MEDICAL CENTER / PATHOLOGY DEPARTMENT 1555 NORTH BARRINGTON ROAD
Hoffman Estates, IL 60194
(847) 490-6934
✔ PECOS✔ Accepts Medicare35 mi
Ven Aduana, M.D.
Pathology
NPI 1699757369
2631 WILLIAMSBURG AVE 302
Geneva, IL 60134
(630) 232-2025
✔ PECOS✔ Accepts Medicare37 mi
Omid Rouhi, M.D., PHD
Pathology
NPI 1306195920
1414 KUHL AVE MP44
Orlando, FL 32806
(312) 504-2877
✔ PECOS✔ Accepts Medicare983 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 Pathology Consultants Of Chicago, Ltd.'s NPI number?

The NPI number for Pathology Consultants Of Chicago, Ltd. is 1689690562. It was assigned to this organization in the NPPES registry on July 14, 2006.

Where is Pathology Consultants Of Chicago, Ltd. located?

Pathology Consultants Of Chicago, Ltd. is located at 2525 S Michigan Ave, Chicago, IL 60616. The listed phone number is (773) 990-5739.

What is Pathology Consultants Of Chicago, Ltd.'s specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Pathology Consultants Of Chicago, Ltd. enrolled in Medicare?

Yes. Pathology Consultants Of Chicago, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pathology Consultants Of Chicago, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Pathology, reassign their Medicare billing to Pathology Consultants Of Chicago, 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, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Pathology Consultants Of Chicago, Ltd. was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.