NPPES file of Aug 9, 2026

Ahmed Nadeem, DO

Emergency Medicine Physician · O Fallon, IL

Ahmed Nadeem, DO is an emergency medicine physician with a practice address in O Fallon, Illinois, and NPI 1659592624, issued on May 1, 2007. Check the license (Illinois 036-117632, 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
1659592624
Name
Ahmed Nadeem
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
036-117632 IL
036117632 IL
Self-reported in NPPES; status is on the state search
Practice location
103 North Oak St, O Fallon, IL 62269
Phone
(618) 624-3368
Enumerated
May 1, 2007
Record last updated
Sep 23, 2022
Medicare enrollment
Enrolled (PECOS I20070612000472); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2004
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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Verify Ahmed Nadeem 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 036-117632
    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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2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024

566 Medicare Part D claims for 365 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Ahmed Nadeem566
  2. Specialty average226

Most prescribed

  1. Albuterol Sulfate Hfa104 claims
  2. Azithromycin62 claims
  3. Nitrofurantoin Mono-Macro55 claims
  4. Prednisone48 claims
  5. Cephalexin45 claims
  6. Fluticasone Propionate41 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: $24.84

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmed Nadeem$24.84
  2. Specialty average$953.79

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

One hospital affiliation

  1. Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

22 emergency medicine physician records list a practice address in O Fallon

They are 22 of the 1,077 NPPES records with a practice address in O Fallon, and 3,291 emergency medicine physician records in Illinois.

Other emergency medicine physician records in Illinois

  1. Osama Aaflaq, M.D.Carbondale, IL1083663520
  2. Suresh Abad, M.D.Vernon Hills, IL1639100126
  3. Albert Abalos, M.D.Elmhurst, IL1881983484
  4. Habib Abbasi, M.D.Joliet, IL1902832835
  5. Andrew Abbeg, D.O.Greenville, IL1548490311
  6. Ryan Abbott, DOChicago, IL1477243517
  7. Ahmad Abdulla, MDOak Lawn, IL1467202556
  8. Zakaria Abdulnabi, M.D.Urbana, IL1790135499
  9. Aziz Abed, M.D.Harvey, IL1477874154
  10. Logan Abel, MDChicago, IL1447900592

Common questions

What is Ahmed Nadeem, DO's NPI number?

Ahmed Nadeem, DO's National Provider Identifier (NPI) is 1659592624, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ahmed Nadeem, DO located?

The NPPES record lists a practice address at 103 North Oak St, O Fallon, IL, 62269. Phone: (618) 624-3368. Providers update this record themselves, so call before visiting.

How can I verify Ahmed Nadeem, DO's license?

NPPES lists Illinois license number 036-117632, 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 Ahmed Nadeem, DO prescribe under Medicare Part D?

In 2024, Ahmed Nadeem, DO had 566 Medicare Part D claims for 365 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.