Registry data as of Aug 27, 2026

Mario Masrur, M.D.

Surgery Physician · Chicago, IL

Mario Masrur, M.D. is a surgery physician with a practice address in Chicago, Illinois, and NPI 1811254568, issued on Apr 19, 2012. Check the license (Illinois 036136813, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1811254568
Name
Mario Masrur
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
036136813 IL
Self-reported in NPPES; status is on the state search
Practice location
1801 W Taylor St, Chicago, IL 60612
Phone
(312) 996-6883
Enumerated
Apr 19, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1801 W Taylor St

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

  1. Khaled Abdelhady, M.D.Surgery Physician1811173156
  2. Aneet Ahluwalia, M.D.Internal Medicine Physician1538285416
  3. Omar Ahmed, MBBCHGastroenterology Physician1578183935
  4. Dalmina Arias, OTR/LOccupational Therapist1346758281
  5. Ayesha Arif, MDRheumatology Physician1205398534
  6. Iris Aronson, MDDermatology Physician1629153614

Verify Mario Masrur 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 036136813
    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.

Industry payments in 2024: $1,141.04

20 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 19,002 providers of this specialty with any payment received $3,758.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mario Masrur$1,141.04
  2. Specialty average$3,758.86

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

2 hospital and facility affiliations

  1. Osf Multi-Specialty GroupEvergreen, IL
  2. The Board OF Trustees OF The University OF IllinoisChicago, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Surgery Physician providers in Illinois

There are 1,572 surgery physician records in Illinois.

Other surgery physician records in Illinois

  1. Douglas Aach, MDShiloh, IL1508817040
  2. John Abad, M.D.Warrenville, IL1578722336
  3. Andrew Abadier, DOChicago, IL1124657473
  4. Shabirhusain Abadin, M.D.Chicago, IL1467712596
  5. Mohammad Ali Abbass, MDChicago, IL1730508052
  6. Iftikharul Abbasy, MDOak Brook, IL1104814755
  7. Ariane Abcarian, M.D.Chicago, IL1831364272
  8. Mahmoud Abd-El-Hafez, MDSpringfield, IL1710516943
  9. Khaled Abdelhady, M.D.Chicago, IL1811173156
  10. Zaid Abdelsattar, MD, MSCMaywood, IL1760793293

Common questions

What is Mario Masrur, M.D.'s NPI number?

Mario Masrur, M.D.'s National Provider Identifier (NPI) is 1811254568, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mario Masrur, M.D. located?

The NPPES record lists a practice address at 1801 W Taylor St, Chicago, IL, 60612. Phone: (312) 996-6883. Providers update this record themselves, so call before visiting.

How can I verify Mario Masrur, M.D.'s license?

NPPES lists Illinois license number 036136813, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.