NPPES file of Aug 9, 2026

Wasay Humayun, M.D.

Family Medicine Physician · Chicago, IL

Wasay Humayun, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1013154327, issued on Jan 8, 2009. Check the license (Illinois 125.053851, 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
1013154327
Name
Wasay Humayun
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
125.053851 IL
036126420 IL
Self-reported in NPPES; status is on the state search
Practice location
5140 N California Ave, Chicago, IL 60625
Phone
(773) 784-2101
Enumerated
Jan 8, 2009
Record last updated
Dec 16, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(773) 784-0771
Medicare enrollment
Enrolled (PECOS I20260224002954); 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 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 Wasay 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 125.053851
    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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75% fewer Medicare Part D claims than the average family medicine physician in 2024

903 Medicare Part D claims for 89 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Wasay Humayun903
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium78 claims
  2. Furosemide44 claims
  3. Losartan Potassium44 claims
  4. Tamsulosin Hcl42 claims
  5. Amlodipine Besylate38 claims
  6. Midodrine Hcl36 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: $58.71

2 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wasay Humayun$58.71
  2. Specialty average$902.55

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

Bills Medicare through 3 group practices

  1. Comprehensive Renal Care PLLCMichigan City, IN
  2. Humayun S S CChicago, IL
  3. Insight Chicago IncChicago, IL

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

Wasay Humayun among 6,215 family medicine physician records in Illinois

Wasay Humayun, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2007 · median 2006 among the 3,714 with a school on file
  • Record last updated2016 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Stanislaw Bryjak, M.D.Chicago, IL 606251932159126
  2. Jose Castellanos, MDChicago, IL 606251750302386
  3. Mandy Gittler, MDChicago, IL 606251811929474
  4. Shaheen Humayun, MDChicago, IL 606251073539417
  5. Krister Johansson, MDChicago, IL 606251831136027
  6. Kate Lynn Maxouris, M.D.Chicago, IL 606251215986062
  7. Ann McDermott, D.O.Chicago, IL 606251437109204
  8. Chung Mok, MDChicago, IL 606251497757306

Common questions

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

Wasay Humayun, M.D.'s National Provider Identifier (NPI) is 1013154327, issued on Jan 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Wasay Humayun, M.D. located?

The NPPES record lists a practice address at 5140 N California Ave, Chicago, IL, 60625. Phone: (773) 784-2101. Providers update this record themselves, so call before visiting.

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

NPPES lists Illinois license number 125.053851, 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 Wasay Humayun, M.D. prescribe under Medicare Part D?

In 2024, Wasay Humayun, M.D. had 903 Medicare Part D claims for 89 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.

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.