Khaja M. Siraj, D.O.
Critical Care Medicine (Internal Medicine) Physician · Downers Grove, IL
Khaja M. Siraj, D.O. is a critical care medicine (internal medicine) physician with a practice address in Downers Grove, Illinois, and NPI 1568993657, issued on Mar 21, 2017. Check the license (Illinois 036.150771, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Khaja M. Siraj
- Credential
- D.O.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 036.150771 IL
036150771 IL
125.070904 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Highland Avenue, Downers Grove, IL 60515
- Phone
- (708) 283-5500
- Enumerated
- Mar 21, 2017
- Record last updated
- Jul 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20200325000940); accepts Medicare assignment
- Medical or professional school
- Kentucky University Medical Department, 2017
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 3815 Highland Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Shanks, ACNP-BC, RN, MSNCritical Care Medicine Nurse Practitioner1548567357
Verify Khaja M. Siraj 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 036.150771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationHazel Crest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Khaja M. Siraj among 281 critical care medicine (internal medicine) physician records in Illinois
Khaja M. Siraj, D.O. is one of 281 critical care medicine (internal medicine) 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 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2017 · median 2008 among the 226 with a school on file
- Record last updated2024 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Illinois
There are 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Downers Grove → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Pablo Garcia, MDDowners Grove, IL 605151114141066
- Abigail Doyle, D.O.Aurora, IL 605041861755498
- Kevin Ferriter, MDAurora, IL 605041619430535
- Hesham Hassaballa, M.D.Aurora, IL 605041861440893
- August Sigelko, MDAurora, IL 605041053815225
- Tianyi Swartz, MDAurora, IL 605041912402405
- Jack Zhao, MDAurora, IL 605041376163865
- Edward Garrity, MDBurr Ridge, IL 605271376606897
Common questions
What is Khaja M. Siraj, D.O.'s NPI number?
Khaja M. Siraj, D.O.'s National Provider Identifier (NPI) is 1568993657, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Khaja M. Siraj, D.O. located?
The NPPES record lists a practice address at 3815 Highland Avenue, Downers Grove, IL, 60515. Phone: (708) 283-5500. Providers update this record themselves, so call before visiting.
How can I verify Khaja M. Siraj, D.O.'s license?
NPPES lists Illinois license number 036.150771, 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), 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.