NPPES file of Aug 9, 2026

Azizur Rahman Arain, M.D

Internal Medicine Physician · Oak Brook, IL

Azizur Rahman Arain, M.D is an internal medicine physician with a practice address in Oak Brook, Illinois, and NPI 1134493315, issued on Mar 6, 2012. Check the license (Illinois 036-045141, as entered in NPPES) 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
1134493315
Name
Azizur Rahman Arain
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-045141 IL
Self-reported in NPPES; status is on the state search
Practice location
116 Indian Trail RD, Oak Brook, IL 60523
Phone
(630) 654-8745
Enumerated
Mar 6, 2012
Record last updated
Mar 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(630) 654-8745
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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Verify Azizur Rahman Arain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-045141
    Check 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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15 internal medicine physician records list a practice address in Oak Brook

They are 15 of the 950 NPPES records with a practice address in Oak Brook, 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 Azizur Rahman Arain, M.D's NPI number?

Azizur Rahman Arain, M.D's National Provider Identifier (NPI) is 1134493315, issued on Mar 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Azizur Rahman Arain, M.D located?

The NPPES record lists a practice address at 116 Indian Trail RD, Oak Brook, IL, 60523. Phone: (630) 654-8745. Providers update this record themselves, so call before visiting.

How can I verify Azizur Rahman Arain, M.D's license?

NPPES lists Illinois license number 036-045141, as entered by the provider. 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.