Sarah Y. Won, MD
Infectious Disease Physician · Chicago, IL
Sarah Y. Won, MD is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1790982932, issued on Jun 29, 2007. Check the license (Illinois 036-116129, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sarah Y. Won
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036-116129 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1653 W Congress Pkwy, Chicago, IL 60612
- Phone
- (312) 942-3665
- Enumerated
- Jun 29, 2007
- Record last updated
- May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140731002626); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 1653 W Congress Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pooja AgarwalPsychiatry Physician1407411689
- Heidi Aguilar, CRNACertified Registered Nurse Anesthetist1043703796
- Jenny AhnEmergency Registered Nurse1124836622
- Marwah Al Tekreeti, MDAnatomic Pathology & Clinical Pathology Physician1891539268
- Laila Abdulla Al-Harthy, RNRegistered Nurse1619832722
Verify Sarah Y. Won 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 036-116129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average infectious disease physician in 2024
386 Medicare Part D claims for 64 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Biktarvy57 claims
- Cefadroxil50 claims
- Dovato32 claims
- Doxycycline Hyclate24 claims
- Sulfamethoxazole-Trimethoprim24 claims
- Isoniazid17 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
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Y. Won among 464 infectious disease physician records in Illinois
Sarah Y. Won, MD is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2003 · median 2004 among the 311 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Stephanie Black, M.D.Chicago, IL 606121316908791
- Larry Goodman, M.DChicago, IL 606121356396550
- Alan Harris, M.D.Chicago, IL 606121699736488
- Mary Hayden, M.D.Chicago, IL 606121730140187
- Ronald Hershow, M.D.Chicago, IL 606121942241054
- Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
- Harold Kessler, M.D.Chicago, IL 606121730140534
- John KowalskiChicago, IL 606121235178708
Common questions
What is Sarah Y. Won, MD's NPI number?
Sarah Y. Won, MD's National Provider Identifier (NPI) is 1790982932, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Y. Won, MD located?
The NPPES record lists a practice address at 1653 W Congress Pkwy, Chicago, IL, 60612. Phone: (312) 942-3665. Providers update this record themselves, so call before visiting.
How can I verify Sarah Y. Won, MD's license?
NPPES lists Illinois license number 036-116129, 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 Sarah Y. Won, MD prescribe under Medicare Part D?
In 2024, Sarah Y. Won, MD had 386 Medicare Part D claims for 64 beneficiaries; the average among infectious disease physician prescribers was 689. 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.