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JOHN R BYLEWSKI MD
NPI 1205931243
Internal Medicine in Chicago, IL

Active since September 14, 2006
4900 S ARCHER AVE, SUITE 5, CHICAGO, IL 60632(773) 767-5950(773) 767-5946 Get Directions Write a Review

NPPES record last updated: December 2, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John R Bylewski Md NPPES

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

JOHN R BYLEWSKI MD (NPI 1205931243) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036070127) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1205931243
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN R BYLEWSKICredential: MD
Location Address4900 S ARCHER AVE, SUITE 5Chicago, IL 60632
Mailing Address4900 S Archer Ave, Suite 5Chicago, IL 60632 · (773) 767-5950 · Fax (773) 767-5946
Phone(773) 767-5950
Fax(773) 767-5946
Sole ProprietorNo
Enumeration DateSeptember 14, 2006
Last NPPES UpdateDecember 2, 2009
✔ NPI 1205931243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036070127
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.
4900 S ARCHER AVE, Chicago, IL 60632
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Other Identifiers 3

Medicare PIN759520IL
Medicare UPINC48530
Other0031602058IL · Blue Cross

Other Providers at the Same Location NPPES 5

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

HEART SPECIALIST, LTD
Internal Medicine (Interventional Cardiology)
4900 S ARCHER AVE
CHICAGO, IL 60632
Cook County (773) 767-8375
MOUNT SINAI COMMUNITY FOUNDATION
Internal Medicine (Cardiovascular Disease)
4900 S ARCHER AVE, STE 1
CHICAGO, IL 60632
Cook County (773) 767-8375
MOUNT SINAI COMMUNITY FOUNDATION
Internal Medicine
4900 S ARCHER AVE
CHICAGO, IL 60632
Cook County (773) 767-0100
BALTIERRES DENTAL P.C.
Clinic/Center (Dental)
4900 S ARCHER AVE
CHICAGO, IL 60632
Cook County (773) 582-7200
DR. GABRIELA BALTIERRES D.D.S.
Dentist
4900 S ARCHER AVE
CHICAGO, IL 60632
Cook County (773) 582-7200

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 Bylewski's NPI number?

The NPI number for John Bylewski is 1205931243. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is John Bylewski located?

John Bylewski practices at 4900 S Archer Ave Suite 5, Chicago, IL 60632. The listed phone number is (773) 767-5950.

What is John Bylewski'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 John Bylewski was last updated on December 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.