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ANDRZEJ GACEK MEDICAL , LLC
NPI 1225206782
Internal Medicine in Chicago, IL

Active since February 18, 2008CLIA 14D1099722 · Waiver
5901 N MILWAUKEE AVE, SUITE D, CHICAGO, IL 60646(773) 631-1300(773) 631-3971 Get Directions Write a Review

NPPES record last updated: March 2, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Andrzej Gacek Medical , Llc NPPES

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

ANDRZEJ GACEK MEDICAL , LLC (NPI 1225206782) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since February 2008. The organization holds a CLIA Waiver certificate valid through May 19, 2027 and lists Andrzej Jozef Gacek, Billing, as its authorized official.

NPPES Registry Identity

NPI1225206782
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameANDRZEJ GACEK MEDICAL , LLC
Location Address5901 N MILWAUKEE AVE, SUITE DChicago, IL 60646-5443
Mailing Address5901 N Milwaukee Ave, Suite DChicago, IL 60646-5443 · (773) 631-1300 · Fax (773) 631-3971
Phone(773) 631-1300
Fax(773) 631-3971
Organization SubpartNo
Authorized OfficialAndrzej Jozef GacekBilling · (847) 444-0553
Enumeration DateFebruary 18, 2008
Last NPPES UpdateMarch 2, 2009
✔ NPI 1225206782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036117533
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5901 N MILWAUKEE AVE, Chicago, IL 60646
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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

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 14D1099722

Andrzej Gacek Medical LLC · Chicago, IL
Active · expires May 19, 2027
CLIA Number14D1099722
Laboratory TypePhysician Office
Certificate Effective DateMay 20, 2025
Certificate Expiration DateMay 19, 2027
Laboratory DirectorAndrzej Gacek
Laboratory Phone(773) 631-1300
Laboratory LocationAndrzej Gacek Medical LLC5901 N Milwaukee Ave, Ste D, Chicago, IL 60630
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 Andrzej Gacek Medical , LLC's NPI number?

The NPI number for Andrzej Gacek Medical , LLC is 1225206782. It was assigned to this organization in the NPPES registry on February 18, 2008.

Where is Andrzej Gacek Medical , LLC located?

Andrzej Gacek Medical , LLC is located at 5901 N Milwaukee Ave Suite D, Chicago, IL 60646. The listed phone number is (773) 631-1300.

What is Andrzej Gacek Medical , LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Andrzej Gacek Medical , LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1099722) is associated with this NPI, valid through May 19, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Andrzej Gacek Medical , LLC was last updated on March 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.