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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TIMOTHY THANH NGUYEN MD
NPI 1407485220
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Chicago, IL

Active since April 03, 2020
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4484 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 11, 2026, Apr 3, 2020 (2 updates tracked since 2020).

About Timothy Thanh Nguyen Md NPPES

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

TIMOTHY THANH NGUYEN MD (NPI 1407485220) is an individual neurology with special qualifications in child neurology provider in Chicago, Illinois, licensed in Illinois (036.181420) and active in the NPI registry since April 2020. He maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1407485220
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameTIMOTHY THANH NGUYENCredential: MD
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991
Phone(312) 227-4484
Sole ProprietorNo
Enumeration DateApril 3, 2020
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1407485220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in IL · 036.181420
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
225 E CHICAGO AVE, Chicago, IL 60611
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Secondary Practice Location 1

Location 12515 N Clark StChicago, IL 60614-2730 · Phone (800) 543-7362

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.

BESSEY ELIZABETH JOSE GEEVARGHESE DO
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (630) 933-6631
CHRISTINA SOOJIN KIM M.D.
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (443) 928-7458
JESSICA LAUREN OFFENBACH APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
MS. JENNY KO LEE APN
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (847) 962-6268
ERIN COHEN MD
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
DR. JOSEPH HART COLLINS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-3550
ALEXIS LYN HARMON
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
SHANNON JULIA CONWAY MD
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000

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 Timothy Nguyen's NPI number?

The NPI number for Timothy Nguyen is 1407485220. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Timothy Nguyen located?

Timothy Nguyen practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4484.

What is Timothy Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

When was this NPI record last updated?

The NPPES record for Timothy Nguyen was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.