NPPES file of Aug 9, 2026

Irum Humayun, M.D

Family Medicine Physician · Chicago, IL

Irum Humayun, M.D is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1942465992, issued on Jul 18, 2008. Check the license (Illinois 036127018, 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
1942465992
Name
Irum Humayun
Credential
M.D
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036127018 IL
Self-reported in NPPES; status is on the state search
Practice location
5140 N California Ave, Chicago, IL 60625
Phone
(773) 784-5988
Enumerated
Jul 18, 2008
Record last updated
Jul 10, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130805000623); 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.
Download card Updates feed

Also registered at 5140 N California Ave

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

  1. Olalekan Abimbola, MDFamily Medicine Physician1568251049
  2. Nikaya Acfalle, RNCritical Care Medicine Registered Nurse1538880158
  3. Andrew Agos, MDSurgery Physician1861403891
  4. Margaret Aguilar, R.N., F.N.P.Family Nurse Practitioner1871563379
  5. Sara Ahmed, DOInternal Medicine Physician1992635122
  6. Chi Ahn, M.D.Internal Medicine Physician1578857835

Verify Irum Humayun 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 036127018    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% fewer Medicare Part D claims than the average family medicine physician in 2024

450 Medicare Part D claims for 51 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Irum Humayun450
  2. Specialty average3,544

Most prescribed

  1. Gabapentin23 claims
  2. Spironolactone23 claims
  3. Albuterol Sulfate Hfa17 claims
  4. Atorvastatin Calcium17 claims
  5. Omeprazole17 claims
  6. Metformin Hcl16 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.

Bills Medicare through one group practice

  1. Erie Family Health Center, IncEvanston, IL

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

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

All 1,593 in Chicago → All 6,215 in Illinois → Every provider in Chicago →

Other family medicine physician records in Illinois

  1. Jon Aagaard, MDWheaton, IL1750496923
  2. Napoleon Abando, MDWoodstock, IL1003972753
  3. Nikka Abaricia, MDChicago, IL1790366342
  4. Mohemmed AbbasChicago, IL1609612522
  5. Muhammad AbbasAlton, IL1588341556
  6. Syed AbbasWest Dundee, IL1972733103
  7. Stefanie AbbottMaywood, IL1861137457
  8. Roann Abdeladl, MDEvanston, IL1437087103
  9. Ahmed Abdelkader, MDChicago, IL1659104230
  10. Guy Abderholden, MDAntioch, IL1902899792

Common questions

What is Irum Humayun, M.D's NPI number?

Irum Humayun, M.D's National Provider Identifier (NPI) is 1942465992, issued on Jul 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Irum Humayun, M.D located?

The NPPES record lists a practice address at 5140 N California Ave, Chicago, IL, 60625. Phone: (773) 784-5988. Providers update this record themselves, so call before visiting.

How can I verify Irum Humayun, M.D's license?

NPPES lists Illinois license number 036127018, 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 Irum Humayun, M.D prescribe under Medicare Part D?

In 2024, Irum Humayun, M.D had 450 Medicare Part D claims for 51 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.