Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOHN YIGIT DEMIR
NPI 1831024744
Psychiatry & Neurology - Psychiatry in Springfield, IL

Active since June 15, 2026
319 E MADISON ST, SPRINGFIELD, IL 62701(217) 545-8000(217) 545-2275 Get Directions Write a Review

NPPES record added: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Yigit Demir NPPES

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

JOHN YIGIT DEMIR (NPI 1831024744) is an individual psychiatry provider in Springfield, Illinois, licensed in Illinois (125088163) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1831024744
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJOHN YIGIT DEMIR
Location Address319 E MADISON STSpringfield, IL 62701-1035
Mailing AddressPo Box 19642Springfield, IL 62794-9642 · (217) 545-8000 · Fax (217) 545-2275
Fax(217) 545-2275
Sole ProprietorNo
Enumeration DateJune 15, 2026
Last NPPES UpdateJune 17, 2026
NPPES CertifiedJune 17, 2026
NPI 1831024744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in IL · 125088163
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
319 E MADISON ST, Springfield, IL 62701

Other Providers at the Same Location NPPES 19

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

Hospice Care, Community Based
319 E MADISON ST, SUITE 3N
SPRINGFIELD, IL 62701
Clinical Neuropsychologist
319 E MADISON ST
SPRINGFIELD, IL 62701
Psychologist (Clinical)
319 E MADISON ST
SPRINGFIELD, IL 62701
Home Health
319 E MADISON ST, STE 3N
SPRINGFIELD, IL 62701
Psychiatry & Neurology (Child & Adolescent Psychiatry)
319 E MADISON ST
SPRINGFIELD, IL 62701
Psychiatry & Neurology (Psychiatry)
319 E MADISON ST
SPRINGFIELD, IL 62701
Radiology (Diagnostic Radiology)
319 E MADISON ST, SPRINGFIELD MRI & IMAGING SUITE J
SPRINGFIELD, IL 62701
Specialist/Technologist, Other
319 E MADISON ST
SPRINGFIELD, IL 62701

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 John Demir's NPI number?

The NPI number for John Demir is 1831024744. It was assigned to this individual provider in the NPPES registry on June 15, 2026.

Where is John Demir located?

John Demir practices at 319 E Madison St, Springfield, IL 62701. The listed phone number is (217) 545-8000.

What is John Demir's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for John Demir was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.