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LUANA THEODORA GNATENCO MD
NPI 1427739283
Internal Medicine in Chicago, IL

Active since July 26, 2023
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-6840 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 5, 2026, Jul 26, 2023 (2 updates tracked since 2023).

About Luana Theodora Gnatenco Md NPPES

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

LUANA THEODORA GNATENCO MD (NPI 1427739283) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.087963) and active in the NPI registry since July 2023.

NPPES Registry Identity

NPI1427739283
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLUANA THEODORA GNATENCOCredential: MD
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-6840
Sole ProprietorNo
Enumeration DateJuly 26, 2023
Last NPPES UpdateJune 8, 20262 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
✔ NPI 1427739283 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 · 125.087963
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.
5841 S MARYLAND AVE, Chicago, IL 60637
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Other Providers at the Same Location NPPES 20

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

DR. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Luana Gnatenco's NPI number?

The NPI number for Luana Gnatenco is 1427739283. It was assigned to this individual provider in the NPPES registry on July 26, 2023.

Where is Luana Gnatenco located?

Luana Gnatenco practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-6840.

What is Luana Gnatenco's specialty?

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

When was this NPI record last updated?

The NPPES record for Luana Gnatenco was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.