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

MR. STEPHEN J KOLAR MD
NPI 1477520138
Internal Medicine in Saint Paul, MN

Active since March 02, 2006
1690 UNIVERSITY AVE W, SUITE 570, SAINT PAUL, MN 55104(651) 232-4800(651) 232-4899 Get Directions Write a Review

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

About Mr. Stephen J Kolar Md NPPES

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

MR. STEPHEN J KOLAR MD (NPI 1477520138) is an individual internal medicine provider in Saint Paul, Minnesota, licensed in Minnesota (22880) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1477520138
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. STEPHEN J KOLARCredential: MD
Location Address1690 UNIVERSITY AVE W, SUITE 570Saint Paul, MN 55104-3723
Mailing Address1690 University Ave W, Suite 570Saint Paul, MN 55104-3723 · (651) 232-4800 · Fax (651) 232-4899
Fax(651) 232-4899
Sole ProprietorNo
Enumeration DateMarch 2, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1477520138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MN · 22880
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.
1690 UNIVERSITY AVE W, Saint Paul, MN 55104

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.

Internal Medicine
1690 UNIVERSITY AVE W, SUITE 570
SAINT PAUL, MN 55104
Nurse Practitioner
1690 UNIVERSITY AVE W, SUITE 460
SAINT PAUL, MN 55104
Podiatrist
1690 UNIVERSITY AVE W, SUITE 570
SAINT PAUL, MN 55104
Family Medicine
1690 UNIVERSITY AVE W, SUITE 460
SAINT PAUL, MN 55104
Internal Medicine
1690 UNIVERSITY AVE W, SUITE 570
SAINT PAUL, MN 55104
Allergy & Immunology
1690 UNIVERSITY AVE W, SUITE 450
SAINT PAUL, MN 55104
Internal Medicine
1690 UNIVERSITY AVE W, SUITE 570
SAINT PAUL, MN 55104
Internal Medicine
1690 UNIVERSITY AVE W, SUITE 570
SAINT PAUL, MN 55104

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 Stephen Kolar's NPI number?

The NPI number for Stephen Kolar is 1477520138. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is Stephen Kolar located?

Stephen Kolar practices at 1690 University Ave W Suite 570, Saint Paul, MN 55104. The listed phone number is (651) 232-4800.

What is Stephen Kolar'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 Stephen Kolar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.