Registry data as of Aug 27, 2026

Muhammad Umer Altaf, MD

Internal Medicine Physician · Elmhurst, IL

Muhammad Umer Altaf, MD is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1427542414, issued on Jun 21, 2018. Check the license (Illinois 036155207, 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
1427542414
Name
Muhammad Umer Altaf
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036155207 IL
Self-reported in NPPES; status is on the state search
Practice location
155 E Brush Hill RD, Elmhurst, IL 60126
Phone
(331) 221-8952
Enumerated
Jun 21, 2018
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 155 E Brush Hill RD

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

  1. Albert Abalos, M.D.Emergency Medicine Physician1881983484
  2. Ahmad Ahmad, APN - CRNARegistered Nurse1144949678
  3. Syed Ahmed, DOHospitalist Physician1689311037
  4. Shah Alam, MDFamily Medicine Physician1164450672
  5. Dominic Antonacci, MDDiagnostic Radiology Physician1487148870
  6. Noah Atwi, M.D.Diagnostic Radiology Physician1598127458

Verify Muhammad Umer Altaf 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 036155207
    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.

81% fewer Medicare Part D claims than the average internal medicine physician in 2024

534 Medicare Part D claims for 204 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Muhammad Umer Altaf534
  2. Specialty average2,785

Most prescribed

  1. Pantoprazole Sodium47 claims
  2. Amoxicillin-Clavulanate Potass36 claims
  3. Prednisone32 claims
  4. Doxycycline Hyclate23 claims
  5. Furosemide23 claims
  6. Atorvastatin Calcium22 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.

2 hospital and facility affiliations

  1. Endeavor Health Medical GroupElmhurst, IL
  2. Hospitalist Physicians OF Indiana PCNew Albany, IN

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.

79 internal medicine physician records list a Elmhurst practice address

They are 79 of the 1,540 NPPES records with a Elmhurst practice address, and 8,522 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

Common questions

What is Muhammad Umer Altaf, MD's NPI number?

Muhammad Umer Altaf, MD's National Provider Identifier (NPI) is 1427542414, issued on Jun 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Muhammad Umer Altaf, MD located?

The NPPES record lists a practice address at 155 E Brush Hill RD, Elmhurst, IL, 60126. Phone: (331) 221-8952. Providers update this record themselves, so call before visiting.

How can I verify Muhammad Umer Altaf, MD's license?

NPPES lists Illinois license number 036155207, 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 Muhammad Umer Altaf, MD prescribe under Medicare Part D?

In 2024, Muhammad Umer Altaf, MD had 534 Medicare Part D claims for 204 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

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.