Margaret Zhi-Yin Tsien, M.D.
Hospitalist Physician · Chicago, IL
Margaret Zhi-Yin Tsien, M.D. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1124349550, issued on Jun 21, 2010. Check the license (Illinois 036134867, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Margaret Zhi-Yin Tsien
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036134867 IL
125.057854 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave Ste MC7082, Chicago, IL 60637
- Phone
- (773) 702-6840
- Enumerated
- Jun 21, 2010
- Record last updated
- Feb 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20140718002208); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2010
- Entity
- Type 1 · individual
Also registered at 5841 S Maryland Ave Ste MC7082
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zainab Abdul-Rahim, M.D.Internal Medicine Physician1336521657
- Ololade AkingbadeStudent in an Organized Health Care Education/Training Program1164167235
- Kurt Alberson, MDAnesthesiology Physician1538652920
- Anna Alicent AmankwahStudent in an Organized Health Care Education/Training Program1477357044
- Daniela Anderson, M.D.Internal Medicine Physician1083108971
- Amritpal Bahga, MDInternal Medicine Physician1255060737
Verify Margaret Zhi-Yin Tsien 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 036134867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average hospitalist physician in 2024
30 Medicare Part D claims for 12 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of 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.
One hospital affiliation
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Margaret Zhi-Yin Tsien, M.D.'s NPI number?
Margaret Zhi-Yin Tsien, M.D.'s National Provider Identifier (NPI) is 1124349550, issued on Jun 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Zhi-Yin Tsien, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave Ste MC7082, Chicago, IL, 60637. Phone: (773) 702-6840. Providers update this record themselves, so call before visiting.
How can I verify Margaret Zhi-Yin Tsien, M.D.'s license?
NPPES lists Illinois license number 036134867, 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 Margaret Zhi-Yin Tsien, M.D. prescribe under Medicare Part D?
In 2024, Margaret Zhi-Yin Tsien, M.D. had 30 Medicare Part D claims for 12 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.