Omar Masood Ahmed, M.D.
Critical Care Medicine (Internal Medicine) Physician · Chicago, IL
Omar Masood Ahmed, M.D. is a critical care medicine (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1639312556, issued on Apr 7, 2009. Check the license (Illinois 036129383, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Omar Masood Ahmed
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 036129383 IL
070514 GA
04-45116 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2222 W Division St, Chicago, IL 60622
- Phone
- (877) 737-4636
- Enumerated
- Apr 7, 2009
- Record last updated
- Oct 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20120801000630); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 2222 W Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Safdar Ali, MDCardiovascular Disease Physician1235184979
- Muderi Aradi, DPMFoot & Ankle Surgery Podiatrist1790344992
- Swathi Arekapudi, M.D.Obstetrics & Gynecology Physician1982894762
- Claudia BuenoRegistered Dietitian1750833596
- Elmer Carasig, MDInternal Medicine Physician1871570960
Verify Omar Masood Ahmed in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036129383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
29 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 66% of 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
- Cep America Illinois IntensivistsChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Masood Ahmed among 281 critical care medicine (internal medicine) physician records in Illinois
Omar Masood Ahmed, M.D. is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% 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 44% of them.
- NPI issued2009 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2009 · median 2008 among the 226 with a school on file
- Record last updated2024 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Illinois
There are 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Chicago → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Joseph Danon, MDChicago, IL 606221528015104
- Jacqueline Dinh, MDChicago, IL 606231477180800
- Faisal Amdani, D.O.Chicago, IL 606251689874349
- Eric Gluck, M.D.Chicago, IL 606251952351470
- Drew Ludwig, DOChicago, IL 606251730379355
- Jay Shen, DOChicago, IL 606251821654765
- Yasir Farah, MDChicago, IL 606161023539913
- Dennis HongChicago, IL 606161285730606
Common questions
What is Omar Masood Ahmed, M.D.'s NPI number?
Omar Masood Ahmed, M.D.'s National Provider Identifier (NPI) is 1639312556, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Omar Masood Ahmed, M.D. located?
The NPPES record lists a practice address at 2222 W Division St, Chicago, IL, 60622. Phone: (877) 737-4636. Providers update this record themselves, so call before visiting.
How can I verify Omar Masood Ahmed, M.D.'s license?
NPPES lists Illinois license number 036129383, 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 Omar Masood Ahmed, M.D. prescribe under Medicare Part D?
In 2024, Omar Masood Ahmed, M.D. had 29 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.