Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN CHARLES NOWAK MD
NPI 1306838933
Emergency Medicine in Downers Grove, IL

Active since August 19, 2005
3815 HIGHLAND AVE, ADVOCATE GOOD SAMARITAN HOSPITAL, DOWNERS GROVE, IL 60515(630) 275-5900(630) 734-1560 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Charles Nowak Md NPPES

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

JOHN CHARLES NOWAK MD (NPI 1306838933) is an individual emergency medicine provider in Downers Grove, Illinois and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1306838933
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN CHARLES NOWAKCredential: MD
Location Address3815 HIGHLAND AVE, ADVOCATE GOOD SAMARITAN HOSPITALDowners Grove, IL 60515-1500
Mailing AddressPo Box 88495, Dept AChicago, IL 60680-1495 · (630) 734-0200 · Fax (630) 734-1560
Fax(630) 734-1560
Sole ProprietorNo
Enumeration DateAugust 19, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1306838933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3815 HIGHLAND AVE, Downers Grove, IL 60515

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.

Physician Assistant
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Anesthesiology
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Clinical Nurse Specialist (Acute Care)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Clinical Nurse Specialist (Adult Health)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Pain Medicine (Interventional Pain Medicine)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515

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 Nowak's NPI number?

The NPI number for John Nowak is 1306838933. It was assigned to this individual provider in the NPPES registry on August 19, 2005.

Where is John Nowak located?

John Nowak practices at 3815 Highland Ave Advocate Good Samaritan Hospital, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is John Nowak's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for John Nowak 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 34 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.