NPPES file of Aug 9, 2026

Hassan G. Azar, MD

Pulmonary Disease Physician · Olympia Fields, IL

Hassan G. Azar, MD is a pulmonary disease physician with a practice address in Olympia Fields, Illinois, and NPI 1538504493, issued on May 6, 2013. Check the license (Illinois 036.087480, 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
1538504493
Name
Hassan G. Azar
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
036.087480 IL
Self-reported in NPPES; status is on the state search
Practice location
3800 W 203RD St, Olympia Fields, IL 60461
Phone
(708) 679-2661
Enumerated
May 6, 2013
Record last updated
Nov 22, 2023
Fax
(708) 503-3860
Medicare enrollment
Enrolled (PECOS I20131111000201); 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 3800 W 203RD St

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

  1. Bampen Charo, MDPulmonary Disease Physician1427036052
  2. Lawrence Haspel, DOCardiovascular Disease Physician1417967829
  3. Pankaj Jain, M.D.Pulmonary Disease Physician1215996301
  4. Clarissa Jones, ACNPAcute Care Nurse Practitioner1184648404
  5. Hassan KiesoCardiovascular Disease Physician1407812050
  6. Sharad Mehta, M.D.Nuclear Medicine Physician1932159449

Verify Hassan G. Azar 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 036.087480
    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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89% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

156 Medicare Part D claims for 29 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. Hassan Azar156
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa26 claims
  2. Varenicline Tartrate16 claims
  3. Prednisone15 claims
  4. Fluticasone Propionate14 claims
  5. Breo Ellipta13 claims
  6. Ventolin Hfa13 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: $244.96

3 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. 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. Hassan Azar$244.96
  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 2 group practices

  1. Cook CountyChicago, IL
  2. Critical Care Physicians OF Illinois LLCOlympia Fields, IL

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

Pulmonary Disease Physician providers in Illinois

There are 617 pulmonary disease physician records in Illinois.

Other pulmonary disease physician records in Illinois

  1. Mazen Abdel-Hadi, M.D.Joliet, IL1356468672
  2. Omar Abdulfattah, MDSpringfield, IL1205259330
  3. Lauren Abplanalp, D.O.Chicago, IL1346604642
  4. Philip Abraham, M.D.Springfield, IL1548375629
  5. Raju Abraham, MDKankakee, IL1003830852
  6. Said Abuhasna, M.DElk Grove Village, IL1699187344
  7. Katherine Acosta, MDChicago, IL1215556279
  8. Craig Adams, MDPalos Park, IL1225019417
  9. Thomas Ade, MDMoline, IL1568448884
  10. Ayodeji AdegunsoyeChicago, IL1255645537

Common questions

What is Hassan G. Azar, MD's NPI number?

Hassan G. Azar, MD's National Provider Identifier (NPI) is 1538504493, issued on May 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Hassan G. Azar, MD located?

The NPPES record lists a practice address at 3800 W 203RD St, Olympia Fields, IL, 60461. Phone: (708) 679-2661. Providers update this record themselves, so call before visiting.

How can I verify Hassan G. Azar, MD's license?

NPPES lists Illinois license number 036.087480, 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 Hassan G. Azar, MD prescribe under Medicare Part D?

In 2024, Hassan G. Azar, MD had 156 Medicare Part D claims for 29 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.