Zain Ul Hassan Jafri, M.D.
Internal Medicine Physician · Chicago, IL
Zain Ul Hassan Jafri, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1093382731, issued on Jun 10, 2021. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zain Ul Hassan Jafri
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0026950 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3134 N Clark St, Chicago, IL 60657
- Phone
- (773) 296-5944
- Enumerated
- Jun 10, 2021
- Record last updated
- Jul 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240404002700); 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 3134 N Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zain Ul Hassan Jafri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
265 Medicare Part D claims for 74 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Enalapril Maleate12 claims
- Mirtazapine11 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
- Apogee Medical Group Delaware IncDover, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zain Ul Hassan Jafri among 7,238 internal medicine physician records in Illinois
Zain Ul Hassan Jafri, 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 2021, is newer than 74% of them.
- NPI issued2021 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2019 · median 2003 among the 3,580 with a school on file
- Record last updated2024 · 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
- Bruce Blacker, M.D.Chicago, IL 606571982603924
- Brian Boholst, M.D.Chicago, IL 606571235181959
- Edgar Borda, MDChicago, IL 606571891782447
- Harold EulienChicago, IL 606571700877222
- Lisa Greising, M.D.Chicago, IL 606571578523155
- Michael Grendon, M.D.Chicago, IL 606571922007962
- Catherine Kallal, MDChicago, IL 606571407801665
- Alam Khan, M.D.Chicago, IL 606571316946288
Common questions
What is Zain Ul Hassan Jafri, M.D.'s NPI number?
Zain Ul Hassan Jafri, M.D.'s National Provider Identifier (NPI) is 1093382731, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Zain Ul Hassan Jafri, M.D. located?
The NPPES record lists a practice address at 3134 N Clark St, Chicago, IL, 60657. Phone: (773) 296-5944. Providers update this record themselves, so call before visiting.
How can I verify Zain Ul Hassan Jafri, M.D.'s license?
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 Zain Ul Hassan Jafri, M.D. prescribe under Medicare Part D?
In 2024, Zain Ul Hassan Jafri, M.D. had 265 Medicare Part D claims for 74 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.