NPPES file of Aug 9, 2026

Imtiaz Arain, MD

Pulmonary Disease Physician · Westmont, IL

Imtiaz Arain, MD is a pulmonary disease physician with a practice address in Westmont, Illinois, and NPI 1922113976, issued on Aug 20, 2006. Check the license (Illinois 036084125, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922113976
Name
Imtiaz Arain
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
036084125 IL
Self-reported in NPPES; status is on the state search
Practice location
700 E Ogden Ave Ste 202, Westmont, IL 60559
Phone
(630) 789-9785
Enumerated
Aug 20, 2006
Record last updated
Nov 21, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(630) 789-9798
Medicaid ID
036084125 IL
Medicare enrollment
Enrolled (PECOS I20041118000129); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 700 E Ogden Ave Ste 202

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

  1. Michael Ahart, APNAcute Care Nurse Practitioner1346750767
  2. Magic Allen, AGACNP-BCAcute Care Nurse Practitioner1376080630
  3. Lazaro Anguiano Munoz, FNP-CCritical Care Medicine Nurse Practitioner1407608086
  4. Erum Arain, M.D.Pulmonary Disease Physician1134462377
  5. Darrell ArevaloFamily Nurse Practitioner1417444373
  6. Rohini AttavaneFamily Nurse Practitioner1447771860

Verify Imtiaz 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 036084125
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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69% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

436 Medicare Part D claims for 92 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.

  1. Imtiaz Arain436
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta82 claims
  2. Albuterol Sulfate Hfa61 claims
  3. Breo Ellipta44 claims
  4. Anoro Ellipta43 claims
  5. Dulera25 claims
  6. Ventolin Hfa17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $336.67

13 payments; by number, the most common kind was food and beverage; the largest payer was Grifols USA, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Imtiaz Arain$336.67
  2. Specialty average$5,159.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Suburban Pulmonary And Sleep Associates LtdWestmont, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Imtiaz Arain among 617 pulmonary disease physician records in Illinois

Imtiaz Arain, MD is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 54% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1983 · median 2005 among the 444 with a school on file
  • Record last updated2018 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 pulmonary disease physician records list a practice address in Westmont

They are 16 of the 814 NPPES records with a practice address in Westmont, and 617 pulmonary disease physician records in Illinois.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Erum Arain, M.D.Westmont, IL 605591134462377
  2. Matthew Baugh, M.D.Westmont, IL 605591942309125
  3. Arthur Fox, MDWestmont, IL 605591417934787
  4. Peter Freebeck, M.D.Westmont, IL 605591417931445
  5. Inderjit Hansra-Godfrey, M.D., M.S.Westmont, IL 605591902818768
  6. Paul Jagielo, MDWestmont, IL 605591457338626
  7. Usman Khan, M.D.Westmont, IL 605591831352467
  8. John Porcelli, MDWestmont, IL 605591619944675

Common questions

What is Imtiaz Arain, MD's NPI number?

Imtiaz Arain, MD's National Provider Identifier (NPI) is 1922113976, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Imtiaz Arain, MD located?

The NPPES record lists a practice address at 700 E Ogden Ave Ste 202, Westmont, IL, 60559. Phone: (630) 789-9785. Providers update this record themselves, so call before visiting.

How can I verify Imtiaz Arain, MD's license?

NPPES lists Illinois license number 036084125, 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.

How much does Imtiaz Arain, MD prescribe under Medicare Part D?

In 2024, Imtiaz Arain, MD had 436 Medicare Part D claims for 92 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.