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NICHOLAS TANGCHAIVANG M.D.
NPI 1457641714
Internal Medicine in Chicago, IL

Active since April 07, 2011
24 E WASHINGTON ST STE 875, CHICAGO, IL 60602(888) 691-7867 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 7, 2025, Oct 12, 2018 (2 updates tracked since 2018).

About Nicholas Tangchaivang M.d. NPPES

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

NICHOLAS TANGCHAIVANG M.D. (NPI 1457641714) is an individual internal medicine provider in Chicago, Illinois, licensed in California (A123647) and active in the NPI registry since April 2011.

NPPES Registry Identity

NPI1457641714
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNICHOLAS TANGCHAIVANGCredential: M.D.
Location Address24 E WASHINGTON ST STE 875Chicago, IL 60602-1758
Mailing Address24 E Washington St Ste 875Chicago, IL 60602-1758 · (888) 691-7867
Phone(888) 691-7867
Sole ProprietorNo
Enumeration DateApril 7, 2011
Last NPPES UpdateJuly 7, 20252 updates tracked since enumeration
NPPES CertifiedJuly 7, 2025
✔ NPI 1457641714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A123647
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.
24 E WASHINGTON ST STE 875, Chicago, IL 60602
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Other Providers at the Same Location NPPES

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

FSH MEDICAL, P.C.
Emergency Medicine
24 E WASHINGTON ST STE 875
CHICAGO, IL 60602
Cook County (888) 691-7867

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 Nicholas Tangchaivang's NPI number?

The NPI number for Nicholas Tangchaivang is 1457641714. It was assigned to this individual provider in the NPPES registry on April 7, 2011.

Where is Nicholas Tangchaivang located?

Nicholas Tangchaivang practices at 24 E Washington St Ste 875, Chicago, IL 60602. The listed phone number is (888) 691-7867.

What is Nicholas Tangchaivang'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 Nicholas Tangchaivang was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.