Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MATTHEW DAVID BARNETT
NPI 1386584555
Internal Medicine in Oak Lawn, IL

Active since March 30, 2026
4220 W 95TH ST STE 200, OAK LAWN, IL 60453(708) 398-0287 Get Directions Write a Review

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

Record update history: Jul 8, 2026, Mar 30, 2026 (2 updates tracked since 2026).

About Matthew David Barnett NPPES

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

MATTHEW DAVID BARNETT (NPI 1386584555) is an individual internal medicine provider in Oak Lawn, Illinois, licensed in Illinois (125.087506) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1386584555
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMATTHEW DAVID BARNETT
Location Address4220 W 95TH ST STE 200Oak Lawn, IL 60453-3072
Mailing Address4220 W 95th St Ste 200Oak Lawn, IL 60453-3072 · (708) 398-0287
Sole ProprietorNo
Enumeration DateMarch 30, 2026
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1386584555 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 · 125.087506
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.
4220 W 95TH ST STE 200, Oak Lawn, IL 60453

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.

Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Student in an Organized Health Care Education/Training Program
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Internal Medicine
4220 W 95TH ST STE 200
OAK LAWN, IL 60453
Pediatrics
4220 W 95TH ST STE 200
OAK LAWN, IL 60453

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 Matthew Barnett's NPI number?

The NPI number for Matthew Barnett is 1386584555. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Where is Matthew Barnett located?

Matthew Barnett practices at 4220 W 95th St Ste 200, Oak Lawn, IL 60453. The listed phone number is (708) 398-0287.

What is Matthew Barnett'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 Matthew Barnett was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.