NPPES file of Aug 9, 2026

Won Kook Han, MD

Nephrology Physician · Philadelphia, PA

Won Kook Han, MD is a nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1215993571, issued on Apr 25, 2006. Check the license (Pennsylvania MD431335, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215993571
Name
Won Kook Han
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD431335 PA
Self-reported in NPPES; status is on the state search
Practice location
3509 N Broad St, Philadelphia, PA 19140
Phone
(215) 707-4600
Enumerated
Apr 25, 2006
Record last updated
Apr 23, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(215) 707-4034
Medicaid IDs
0133957 NJ
101919840 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3509 N Broad St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thair Abed, MDPediatrics Physician1497743587
  2. Tishya Abraham, CRNPGerontology Nurse Practitioner1982484333
  3. Joan Adler, MDPediatrics Physician1114914975
  4. Christopher Ahmed, MDOphthalmology Physician1013647577
  5. Rima AlkasemNeurology Physician1700041662
  6. Rami Almefty, MDNeurological Surgery Physician1891006789

Verify Won Kook Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD431335
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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99% fewer Medicare Part D claims than the average nephrology physician in 2024

14 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Won Han14
  2. Specialty average1,465

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.

Won Kook Han among 651 nephrology physician records in Pennsylvania

Won Kook Han, MD is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2018 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Pennsylvania

There are 651 nephrology physician records in Pennsylvania.

The 8 nephrology physician records with the nearest ZIP codes

  1. Ziauddin Ahmed, MDPhiladelphia, PA 191401306888532
  2. Christine Bastl, MDPhiladelphia, PA 191401679560452
  3. Joseph Benjamin, MDPhiladelphia, PA 191401265420368
  4. Serban Constantinescu, MD PHDPhiladelphia, PA 191401487641262
  5. Crystal Gadegbeku, MDPhiladelphia, PA 191401013099910
  6. Avrum Gillespie, M.D.Philadelphia, PA 191401770747016
  7. Jesse Goldman, MDPhiladelphia, PA 191401861480022
  8. Liliane Hobeika, MDPhiladelphia, PA 191401558591305

Common questions

What is Won Kook Han, MD's NPI number?

Won Kook Han, MD's National Provider Identifier (NPI) is 1215993571, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Won Kook Han, MD located?

The NPPES record lists a practice address at 3509 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-4600. Providers update this record themselves, so call before visiting.

How can I verify Won Kook Han, MD's license?

NPPES lists Pennsylvania license number MD431335, 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 Won Kook Han, MD prescribe under Medicare Part D?

In 2024, Won Kook Han, MD had 14 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.