NPPES file of Aug 9, 2026

Mohammed Siddiqui

Internal Medicine Physician · Oakbrook Terrace, IL

Mohammed Siddiqui is an internal medicine physician with a practice address in Oakbrook Terrace, Illinois, and NPI 1275917957, issued on Jul 13, 2015. Check the license (Illinois 036.148532, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275917957
Name
Mohammed Siddiqui
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
036.148532 IL
01098631A IN
Self-reported in NPPES; status is on the state search
Practice location
1S450 Summit Ave Ste 165, Oakbrook Terrace, IL 60181
Phone
(630) 320-6871
Enumerated
Jul 13, 2015
Record last updated
Feb 26, 2026
Medicare enrollment
Enrolled (PECOS I20190708002436); accepts Medicare assignment
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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Also registered at 1S450 Summit Ave Ste 165

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

  1. Bader Almoshelli, M.D.Physical Medicine & Rehabilitation Physician1699090340
  2. Beau Bigelow, MDPhysical Medicine & Rehabilitation Physician1790282796
  3. Jawwad Hussain, M.D.Family Medicine Physician1336434935
  4. Flordeluz M Leonida, APRNNurse Practitioner1447968789
  5. Daniyal Munir, DOPhysical Medicine & Rehabilitation Physician1245817584
  6. Adolfo Oropeza, LCSWClinical Social Worker1841912029

Verify Mohammed Siddiqui 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 036.148532
    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.

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72% more Medicare Part D claims than the average internal medicine physician in 2024

5,462 Medicare Part D claims for 355 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 135 claims were for opioids.

  1. Mohammed Siddiqui5,462
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium273 claims
  2. Eliquis253 claims
  3. Furosemide142 claims
  4. Amlodipine Besylate138 claims
  5. Levothyroxine Sodium138 claims
  6. Gabapentin125 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 69.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score57.5
  2. Costout of 100 · 30%68.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activitiesnot scored

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 6 group practices

  1. 24 ON Physicians PCOttawa, IL
  2. Community Home Physicians LLCOakbrook Terrace, IL
  3. Critical Care Medical Management Associates PLLCPlainfield, IL
  4. Galen Inpatient Physicians PCMunster, IN
  5. Ignite Hospitalists, LLCAurora, IL
  6. Integrated Wound Consultants LLCLombard, IL

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

Mohammed Siddiqui among 7,238 internal medicine physician records in Illinois

Mohammed Siddiqui 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 2015, is newer than 61% of them.

  • NPI issued2015 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2014 · median 2003 among the 3,580 with a school on file
  • Record last updated2026 · 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).

6 internal medicine physician records list a practice address in Oakbrook Terrace

They are 6 of the 282 NPPES records with a practice address in Oakbrook Terrace, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Krishdeep Khosla, MDOakbrook Terrace, IL 601811306899570
  2. Inna Milgram, MDVilla Park, IL 601811932197597
  3. Rizwana Mughal, M.DOakbrook Terrace, IL 601811811255813
  4. Dennis Park, DOOakbrook Terrace, IL 601811639220445
  5. Abdul Razzaq, MDVilla Park, IL 601811760470314
  6. Muhammad Shahzad, MDOakbrook Terrace, IL 601811033107685
  7. Muhammad Sharif, M.D.Villa Park, IL 601811831113851
  8. Eunice Yu, M.D.Oakbrook Terrace, IL 601811356607881

Common questions

What is Mohammed Siddiqui's NPI number?

Mohammed Siddiqui's National Provider Identifier (NPI) is 1275917957, issued on Jul 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mohammed Siddiqui located?

The NPPES record lists a practice address at 1S450 Summit Ave Ste 165, Oakbrook Terrace, IL, 60181. Phone: (630) 320-6871. Providers update this record themselves, so call before visiting.

How can I verify Mohammed Siddiqui's license?

NPPES lists Illinois license number 036.148532, 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 Mohammed Siddiqui prescribe under Medicare Part D?

In 2024, Mohammed Siddiqui had 5,462 Medicare Part D claims for 355 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Mohammed Siddiqui's MIPS final score?

The 2023 MIPS final score is 69.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.