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

ADA C RAHN MD
NPI 1154377059
Internal Medicine in Elmhurst, IL

Active since May 25, 2006
172 SCHILLER ST, ELMHURST, IL 60126(630) 993-5676(630) 758-9940 Get Directions Write a Review

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

About Ada C Rahn Md NPPES

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

ADA C RAHN MD (NPI 1154377059) is an individual internal medicine provider in Elmhurst, Illinois and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1154377059
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameADA C RAHNCredential: MD
Location Address172 SCHILLER STElmhurst, IL 60126-2885
Mailing Address172 Schiller StElmhurst, IL 60126-2885 · (630) 993-5676 · Fax (630) 758-9940
Phone(630) 993-5676
Fax(630) 758-9940
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1154377059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
172 SCHILLER ST, Elmhurst, IL 60126
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Other Providers at the Same Location NPPES 6

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

MAELEN M PANTANO MD
Internal Medicine
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (331) 221-9001
KATHRYN M THOMAS MD
Dermatology
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (331) 221-9005
JONATHAN LITTMAN MD
Family Medicine
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (630) 832-0000
JOHN A BENAGES MD
Family Medicine
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (630) 832-0000
JOHN A DAMERGIS MD
Internal Medicine
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (630) 941-2600
TANJA S BOSKOV MD
Family Medicine
172 SCHILLER ST
ELMHURST, IL 60126
Dupage County (331) 221-9001

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 Ada Rahn's NPI number?

The NPI number for Ada Rahn is 1154377059. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Ada Rahn located?

Ada Rahn practices at 172 Schiller St, Elmhurst, IL 60126. The listed phone number is (630) 993-5676.

What is Ada Rahn'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 Ada Rahn 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 28 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.