NPPES file of Aug 9, 2026

Omar Alsamman, M.D.

Internal Medicine Physician · Chicago, IL

Omar Alsamman, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1457319808, issued on May 3, 2006. Check the license (Illinois 036091379, 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
1457319808
Name
Omar Alsamman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036091379 IL
Self-reported in NPPES; status is on the state search
Practice location
4753 N. Elston Ave., Chicago, IL 60630
Phone
(773) 427-4900
Enumerated
May 3, 2006
Record last updated
Apr 17, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101014000262); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
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 Omar Alsamman 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 036091379
    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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58% more Medicare Part D claims than the average internal medicine physician in 2024

5,022 Medicare Part D claims for 274 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 120 claims were for opioids.

  1. Omar Alsamman5,022
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl376 claims
  2. Atorvastatin Calcium339 claims
  3. Jardiance176 claims
  4. Tamsulosin Hcl157 claims
  5. Enalapril Maleate148 claims
  6. Metoprolol Succinate148 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: $428.40

11 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Omar Alsamman$428.40
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. All Care Family Medical IncChicago, IL

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

Omar Alsamman among 7,238 internal medicine physician records in Illinois

Omar Alsamman, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1988 · median 2003 among the 3,580 with a school on file
  • Record last updated2015 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Miguel Antonatos, M.D.Chicago, IL 606301912285081
  2. Cory Chen, MDChicago, IL 606301851394548
  3. Marta Dudek, M.D.Chicago, IL 606301083666432
  4. Janusz Dudek, MDChicago, IL 606301073531570
  5. Victor Forys, M.D.Chicago, IL 606301669585857
  6. Bruce Goldenberg, MDChicago, IL 606301528172236
  7. Peter Lim, DOChicago, IL 606301316477995
  8. Sanjoy Majumdar, MDChicago, IL 606301467495648

Common questions

What is Omar Alsamman, M.D.'s NPI number?

Omar Alsamman, M.D.'s National Provider Identifier (NPI) is 1457319808, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Omar Alsamman, M.D. located?

The NPPES record lists a practice address at 4753 N. Elston Ave., Chicago, IL, 60630. Phone: (773) 427-4900. Providers update this record themselves, so call before visiting.

How can I verify Omar Alsamman, M.D.'s license?

NPPES lists Illinois license number 036091379, 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 Alsamman, M.D. prescribe under Medicare Part D?

In 2024, Omar Alsamman, M.D. had 5,022 Medicare Part D claims for 274 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.