Rayyan M. Siddiqi, MD
Hospitalist Physician · Elmhurst, IL
Rayyan M. Siddiqi, MD is a hospitalist physician with a practice address in Elmhurst, Illinois, and NPI 1144563594, issued on Apr 4, 2013. Check the license (Illinois 036140486, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Rayyan M. Siddiqi
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036140486 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
- Apr 4, 2013
- Record last updated
- Oct 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (331) 221-3782
- Medicare enrollment
- Enrolled (PECOS I20250108001089); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
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.
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- Syed Ahmed, DOHospitalist Physician1689311037
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- Muhammad Umer Altaf, MDHospitalist Physician1427542414
- Dominic Antonacci, MDDiagnostic Radiology Physician1487148870
Verify Rayyan M. Siddiqi 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 036140486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average hospitalist physician in 2024
565 Medicare Part D claims for 208 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Humalog Kwikpen U-10040 claims
- Furosemide26 claims
- Prednisone24 claims
- Tramadol Hcl22 claims
- Hydrocodone-Acetaminophen21 claims
- Amoxicillin-Clavulanate Potass16 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 MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- 24 ON Physician Partners PCHobart, IN
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rayyan M. Siddiqi among 1,535 hospitalist physician records in Illinois
Rayyan M. Siddiqi, MD is one of 1,535 hospitalist 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 2013, is newer than 43% of them.
- NPI issued2013 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2013 · median 2013 among the 1,339 with a school on file
- Record last updated2018 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 hospitalist physician records list a practice address in Elmhurst
They are 27 of the 1,540 NPPES records with a practice address in Elmhurst, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Elmhurst → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Shah Alam, MDElmhurst, IL 601261164450672
- Feras Bankosly, MDElmhurst, IL 601261891785044
- Lamenta Conway, MDElmhurst, IL 601261629087077
- Lalitha Dileep-Ansal, MDElmhurst, IL 601261053549303
- Farah Ghouse, MDElmhurst, IL 601261669695458
- James Ha, MDElmhurst, IL 601261932251527
- Samiya Hashmi, MDElmhurst, IL 601261730337106
- Christine Jankowski, MDElmhurst, IL 601261891867156
Common questions
What is Rayyan M. Siddiqi, MD's NPI number?
Rayyan M. Siddiqi, MD's National Provider Identifier (NPI) is 1144563594, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Rayyan M. Siddiqi, 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 Rayyan M. Siddiqi, MD's license?
NPPES lists Illinois license number 036140486, 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 Rayyan M. Siddiqi, MD prescribe under Medicare Part D?
In 2024, Rayyan M. Siddiqi, MD had 565 Medicare Part D claims for 208 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Rayyan M. Siddiqi, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. 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.