Hasan N. Abad, D.O.
Hospitalist Physician · Chicago, IL
Hasan N. Abad, D.O. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1356872006, issued on Mar 24, 2017. Check the license (Illinois 036154676, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Hasan N. Abad
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036154676 IL
036-154676 IL
81147 WI
Self-reported in NPPES; status is on the state search - Practice location
- 836 W Wellington Ave, Chicago, IL 60657
- Phone
- (773) 296-5435
- Enumerated
- Mar 24, 2017
- Record last updated
- May 19, 2026
- Medicaid ID
- 100237700 WI
- Medicare enrollment
- Enrolled (PECOS I20210902000382); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 836 W Wellington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Misha Abbasi, MDHospitalist Physician1770111635
- Karim Abou El JoudHospitalist Physician1770043895
- Nasser Abualhassan, M.D.Student in an Organized Health Care Education/Training Program1700173127
- Swapnil Adhav, M.D.Surgery Physician1285942292
- Ahsan AdilAnesthesiology Physician1174463772
- Katayoun Aghajani, M.D.Anesthesiology Physician1073872982
Verify Hasan N. Abad 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 036154676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average hospitalist physician in 2024
229 Medicare Part D claims for 117 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Pantoprazole Sodium20 claims
- Prednisone12 claims
- Amlodipine Besylate11 claims
- Atorvastatin Calcium11 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
- Advocate Health And Hospitals CorporationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hasan N. Abad among 1,535 hospitalist physician records in Illinois
Hasan N. Abad, D.O. 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 2017, is newer than 63% of them.
- NPI issued2017 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2017 · median 2013 among the 1,339 with a school on file
- Record last updated2026 · 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).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Danish Ahmed, M.D.Chicago, IL 606571083819684
- Ryan Blanco, D.OChicago, IL 606571881852523
- Andrew ChetChicago, IL 606571033422811
- Chioma Ezeani, M.DChicago, IL 606571134402670
- Emmanuel Favila, D.O.Chicago, IL 606571164721528
- Efren Jason Jorge, MDChicago, IL 606571578712238
- Tarek Karaman, M.D.Chicago, IL 606571104846674
- Ashok Khilwani, M.D.Chicago, IL 606571770788317
Common questions
What is Hasan N. Abad, D.O.'s NPI number?
Hasan N. Abad, D.O.'s National Provider Identifier (NPI) is 1356872006, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Hasan N. Abad, D.O. located?
The NPPES record lists a practice address at 836 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 296-5435. Providers update this record themselves, so call before visiting.
How can I verify Hasan N. Abad, D.O.'s license?
NPPES lists Illinois license number 036154676, 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 Hasan N. Abad, D.O. prescribe under Medicare Part D?
In 2024, Hasan N. Abad, D.O. had 229 Medicare Part D claims for 117 beneficiaries; the average among hospitalist physician prescribers was 521. 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.