Osama Siddiqui
Internal Medicine Physician · Evanston, IL
Osama Siddiqui is an internal medicine physician with a practice address in Evanston, Illinois, and NPI 1225512270, issued on Sep 15, 2018. Check the license (Illinois 036178982, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Osama Siddiqui
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036178982 IL
125.081278 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Ridge Ave Ste 130, Evanston, IL 60201
- Phone
- (847) 570-2700
- Enumerated
- Sep 15, 2018
- Record last updated
- Mar 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20260319002606); may accept Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2023
- Entity
- Type 1 · individual
Verify Osama Siddiqui 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 036178982Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
73 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
178 internal medicine physician records list a practice address in Evanston
They are 178 of the 4,013 NPPES records with a practice address in Evanston, and 7,238 internal medicine physician records in Illinois.
All 178 in Evanston → All 7,238 in Illinois → Every provider in Evanston →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Osama Siddiqui's NPI number?
Osama Siddiqui's National Provider Identifier (NPI) is 1225512270, issued on Sep 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Osama Siddiqui located?
The NPPES record lists a practice address at 2650 Ridge Ave Ste 130, Evanston, IL, 60201. Phone: (847) 570-2700. Providers update this record themselves, so call before visiting.
How can I verify Osama Siddiqui's license?
NPPES lists Illinois license number 036178982, 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 Osama Siddiqui prescribe under Medicare Part D?
In 2024, Osama Siddiqui had 73 Medicare Part D claims for 30 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.