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

MICHAEL J ZIA M.D.
NPI 1689631657
Internal Medicine in Decatur, IL

Q: What is Michael Zia's NPI number?

The NPI number for Michael Zia is 1689631657. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is Michael Zia's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Zia was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 26, 2006

2300 N EDWARD ST, GSBLL, DECATUR, IL 62526(217) 876-2868(217) 876-2874 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Michael J Zia M.d. NPPES

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

MICHAEL J ZIA M.D. (NPI 1689631657) is an individual internal medicine provider in Decatur, Illinois and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1689631657

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMICHAEL J ZIACredential: M.D.

Location Address2300 N EDWARD ST, GSBLLDecatur, IL 62526-4163

Mailing Address2300 N Edward St, GsbllDecatur, IL 62526-4163 · (217) 876-2868 · Fax (217) 876-2874

Phone(217) 876-2868

Fax(217) 876-2874

Sole ProprietorNo

Enumeration DateApril 26, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1689631657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

2300 N EDWARD ST, Decatur, IL 62526

Open in Google Maps ↗