Sabah A. Khan, M.D.
Internal Medicine Physician · Chicago, IL
Sabah A. Khan, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1992778534, issued on Feb 13, 2006. Check the license (Illinois 036084303, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sabah A. Khan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036084303 IL
Self-reported in NPPES; status is on the state search - Practice location
- 539 N Dearborn St, Chicago, IL 60654
- Phone
- (312) 549-4401
- Enumerated
- Feb 13, 2006
- Record last updated
- Jun 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20041109000437); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 539 N Dearborn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Cao, MDInternal Medicine Physician1598227068
- Lidia Ortiz-Ritchey, APNNurse Practitioner1710365085
- Irene Silva, MDInternal Medicine Physician1114910692
- Divya VenkatInternal Medicine Physician1750944831
- Samantha VenkateshDermatology Physician1417417825
Verify Sabah A. Khan 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 036084303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
4,023 Medicare Part D claims for 154 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.
Most prescribed
- Atorvastatin Calcium345 claims
- Amlodipine Besylate198 claims
- Eliquis195 claims
- Gabapentin128 claims
- Mirtazapine117 claims
- Metformin Hcl105 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.
Bills Medicare through one group practice
- Resilience Healthcare - Lakefront Medical Associates LLCOak Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sabah A. Khan among 7,238 internal medicine physician records in Illinois
Sabah A. Khan, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1982 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carolyn Cao, MDChicago, IL 606541598227068
- Marcie Claybon, MDChicago, IL 606541831344373
- Mehbub Kapadia, M.D.Chicago, IL 606541558584391
- Mehwash Naseem, MDChicago, IL 606541528405677
- Paul Rockey, M.D.Chicago, IL 606541689920316
- Irene Silva, MDChicago, IL 606541114910692
- Divya VenkatChicago, IL 606541750944831
- Argiro Zofakis, M.D.Chicago, IL 606541124038815
Common questions
What is Sabah A. Khan, M.D.'s NPI number?
Sabah A. Khan, M.D.'s National Provider Identifier (NPI) is 1992778534, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sabah A. Khan, M.D. located?
The NPPES record lists a practice address at 539 N Dearborn St, Chicago, IL, 60654. Phone: (312) 549-4401. Providers update this record themselves, so call before visiting.
How can I verify Sabah A. Khan, M.D.'s license?
NPPES lists Illinois license number 036084303, 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 Sabah A. Khan, M.D. prescribe under Medicare Part D?
In 2024, Sabah A. Khan, M.D. had 4,023 Medicare Part D claims for 154 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.