Sean I-Chun Hsu, MD
Hospitalist Physician · Madison, WI
Sean I-Chun Hsu, MD is a hospitalist physician with a practice address in Madison, Wisconsin, and NPI 1598185811, issued on Apr 25, 2014. Check the license (Wisconsin 76901, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sean I-Chun Hsu
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 76901 WI
036143587 IL
Self-reported in NPPES; status is on the state search - Practice location
- 700 S Park St, Madison, WI 53715
- Phone
- (608) 251-6100
- Enumerated
- Apr 25, 2014
- Record last updated
- Mar 17, 2023
- Fax
- (608) 258-6259
- Medicaid ID
- 1598185811 WI
- Medicare enrollment
- Enrolled (PECOS I20210915001359); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 700 S Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Clark Albert, MDAnesthesiology Physician1457300634
- Michael Allan, MDGastroenterology Physician1558300822
- Shane Allen, M.D.Emergency Medicine Physician1649478231
Verify Sean I-Chun Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 76901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average hospitalist physician in 2024
347 Medicare Part D claims for 156 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Pantoprazole Sodium18 claims
- Prednisone17 claims
- Atorvastatin Calcium15 claims
- Metoprolol Succinate15 claims
- Furosemide11 claims
- Spironolactone11 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean I-Chun Hsu among 894 hospitalist physician records in Wisconsin
Sean I-Chun Hsu, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 50% of them.
- NPI issued2014 · 50% of these records are older, 45% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2014 · median 2011 among the 768 with a school on file
- Record last updated2023 · 29% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Wisconsin
There are 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Madison → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Anna Bilhorn, MDMadison, WI 537151841244209
- Nicole Christian, M.D.Madison, WI 537151295793644
- Matthew Crowe, MDMadison, WI 537151720055403
- Kevin Eichhorn, MDMadison, WI 537151487691705
- Santiago Hernandez, MDMadison, WI 537151801834007
- Robert Hoffman, MDMadison, WI 537151457327496
- Alexander Kendziorski, MDMadison, WI 537151083669394
- Ibuki Kimura, MDMadison, WI 537151194770198
Common questions
What is Sean I-Chun Hsu, MD's NPI number?
Sean I-Chun Hsu, MD's National Provider Identifier (NPI) is 1598185811, issued on Apr 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sean I-Chun Hsu, MD located?
The NPPES record lists a practice address at 700 S Park St, Madison, WI, 53715. Phone: (608) 251-6100. Providers update this record themselves, so call before visiting.
How can I verify Sean I-Chun Hsu, MD's license?
NPPES lists Wisconsin license number 76901, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean I-Chun Hsu, MD prescribe under Medicare Part D?
In 2024, Sean I-Chun Hsu, MD had 347 Medicare Part D claims for 156 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.