Jisun Won, M.D.
Hospitalist Physician · Philadelphia, PA
Jisun Won, M.D. is a hospitalist physician with a practice address in Philadelphia, Pennsylvania, and NPI 1487390688, issued on May 10, 2022. Check the license (Pennsylvania MD488101, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Jisun Won
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD488101 PA
Self-reported in NPPES; status is on the state search - Practice location
- 51 N 39TH St, Philadelphia, PA 19104
- Phone
- (215) 662-8000
- Enumerated
- May 10, 2022
- Record last updated
- Jun 26, 2025
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at 51 N 39TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adekemi Akano, M.D.Anesthesiology Physician1972950178
- Lama Al-Aswad, M.D.Ophthalmology Physician1336174937
Verify Jisun Won in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD488101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hospitalist physician in 2024
128 Medicare Part D claims for 58 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% 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.
Jisun Won among 1,424 hospitalist physician records in Pennsylvania
Jisun Won, M.D. is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 2% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2025 · 36% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Pennsylvania
There are 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Philadelphia → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Susan Day, MDPhiladelphia, PA 191041992737290
- Carmen Guerra, MDPhiladelphia, PA 191041356373781
- Todd Hecht, MDPhiladelphia, PA 191041841227014
- David Horowitz, MDPhiladelphia, PA 191041679505036
- Michelle Hu, MDPhiladelphia, PA 191041891721593
- Emmanuel King, MDPhiladelphia, PA 191041598753469
- Laura Kosseim, MDPhiladelphia, PA 191041912933607
- Philip Masters, MDPhiladelphia, PA 191041265481634
Common questions
What is Jisun Won, M.D.'s NPI number?
Jisun Won, M.D.'s National Provider Identifier (NPI) is 1487390688, issued on May 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Jisun Won, M.D. located?
The NPPES record lists a practice address at 51 N 39TH St, Philadelphia, PA, 19104. Phone: (215) 662-8000. Providers update this record themselves, so call before visiting.
How can I verify Jisun Won, M.D.'s license?
NPPES lists Pennsylvania license number MD488101, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jisun Won, M.D. prescribe under Medicare Part D?
In 2024, Jisun Won, M.D. had 128 Medicare Part D claims for 58 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.