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

DR. TIMOTHY JAMES RITTENBERRY M.D.
NPI 1457307555
Emergency Medicine in Chicago, IL

Active since May 26, 2006
836 W WELLINGTON AVE, CHICAGO, IL 60657(773) 296-7267 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Timothy James Rittenberry M.d. NPPES

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

DR. TIMOTHY JAMES RITTENBERRY M.D. (NPI 1457307555) is an individual emergency medicine provider in Chicago, Illinois and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1457307555
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. TIMOTHY JAMES RITTENBERRYCredential: M.D.
Location Address836 W WELLINGTON AVEChicago, IL 60657-5147
Mailing Address1119 W North Shore AveChicago, IL 60626-4600
Sole ProprietorNo
Enumeration DateMay 26, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1457307555 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.
836 W WELLINGTON AVE, Chicago, IL 60657

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.

Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Speech-Language Pathologist
836 W WELLINGTON AVE
CHICAGO, IL 60657
Internal Medicine (Sleep Medicine)
836 W WELLINGTON AVE
CHICAGO, IL 60657
Nurse Anesthetist, Certified Registered
836 W WELLINGTON AVE
CHICAGO, IL 60657
Anesthesiology
836 W WELLINGTON AVE
CHICAGO, IL 60657
Anesthesiology
836 W WELLINGTON AVE
CHICAGO, IL 60657
Dietitian, Registered
836 W WELLINGTON AVE, FOOD AND NUTRITION DEPT.
CHICAGO, IL 60657
Nurse Practitioner
836 W WELLINGTON AVE
CHICAGO, IL 60657

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 Timothy Rittenberry's NPI number?

The NPI number for Timothy Rittenberry is 1457307555. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Timothy Rittenberry located?

Timothy Rittenberry practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 296-7267.

What is Timothy Rittenberry'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 Timothy Rittenberry 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 38 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.