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

SUSAN M MIKOLAITIS R.D.
NPI 1144261991
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 10, 2006
1725 W HARRISON ST, SUITE 207, CHICAGO, IL 60612(312) 942-5861 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Susan M Mikolaitis R.d. NPPES

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

SUSAN M MIKOLAITIS R.D. (NPI 1144261991) is an individual gastroenterology provider in Chicago, Illinois and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1144261991
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameSUSAN M MIKOLAITISCredential: R.D.
Location Address1725 W HARRISON ST, SUITE 207Chicago, IL 60612-3841
Mailing Address1725 W Harrison St, Suite 207Chicago, IL 60612-3841 · (312) 942-5861
Sole ProprietorNo
Enumeration DateJune 10, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1144261991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1725 W HARRISON ST, Chicago, IL 60612

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.

Pediatrics (Pediatric Pulmonology)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Otolaryngology
1725 W HARRISON ST, SUITE 340
CHICAGO, IL 60612
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1725 W HARRISON ST, SUITE 1106
CHICAGO, IL 60612
Otolaryngology
1725 W HARRISON ST, SUITE 938
CHICAGO, IL 60612
Obstetrics & Gynecology (Gynecologic Oncology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Psychologist (Clinical)
1725 W HARRISON ST, STE 755
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144261991, enumerated as an "individual" on June 10, 2006.

The provider is located at 1725 W HARRISON ST SUITE 207 CHICAGO, IL 60612 and the phone number is (312) 942-5861.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.