NPPES file of Aug 9, 2026

Ada C. Rahn, MD

Internal Medicine Physician · Elmhurst, IL

Ada C. Rahn, MD is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1154377059, issued on May 25, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154377059
Name
Ada C. Rahn
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
172 Schiller St, Elmhurst, IL 60126
Phone
(630) 993-5676
Enumerated
May 25, 2006
Record last updated
Jul 13, 2026
Fax
(630) 758-9940
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 172 Schiller St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Benages, MDFamily Medicine Physician1679524722
  2. Tanja Boskov, MDFamily Medicine Physician1811943632
  3. John Damergis, MDInternal Medicine Physician1750332896
  4. Jonathan Littman, MDFamily Medicine Physician1649221714
  5. Maelen Pantano, MDInternal Medicine Physician1023068152
  6. Lori Shelnitz, MDDermatology Physician1538119938

Verify Ada C. Rahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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50 internal medicine physician records list a practice address in Elmhurst

They are 50 of the 1,540 NPPES records with a practice address in Elmhurst, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Ada C. Rahn, MD's NPI number?

Ada C. Rahn, MD's National Provider Identifier (NPI) is 1154377059, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ada C. Rahn, MD located?

The NPPES record lists a practice address at 172 Schiller St, Elmhurst, IL, 60126. Phone: (630) 993-5676. Providers update this record themselves, so call before visiting.

How can I verify Ada C. Rahn, MD's license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.