William Kwon, MD
Vascular & Interventional Radiology Physician · Brooklyn, NY
William Kwon, MD is a vascular & interventional radiology physician with a practice address in Brooklyn, New York, and NPI 1740440494, issued on Jun 16, 2008. Check the license (New York 243515, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Kwon
- Credential
- MD
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- 243515 NY
Self-reported in NPPES; status is on the state search - Practice location
- 450 Clarkson Avenue, Brooklyn, NY 11203
- Phone
- (917) 337-4963
- Enumerated
- Jun 16, 2008
- Record last updated
- Aug 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 357 in New York → Look up another NPI →
Also registered at 450 Clarkson Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Xavier Aguayo Arguello, M.D.Student in an Organized Health Care Education/Training Program1053149914
- Mosab Ahmed, MBBSStudent in an Organized Health Care Education/Training Program1396424057
Verify William Kwon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 243515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,007.02
10 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Kwon among 357 vascular & interventional radiology physician records in New York
William Kwon, MD is one of 357 vascular & interventional radiology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 58% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2013 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in New York
There are 357 vascular & interventional radiology physician records in New York.
All 357 in New York → Every provider in Brooklyn → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Adam Dmytriw, MD MPH MSCBrooklyn, NY 112031497385959
- Eugene Hagiwara, M.D.Brooklyn, NY 112031841431129
- Steve Ideyi, M.D.Brooklyn, NY 112031821188236
- Ryan Nelson, MDBrooklyn, NY 112031962793620
- Samuel Osei-Bonsu, M.D.Brooklyn, NY 112031457617045
- Suraj PatelBrooklyn, NY 112031427411107
- Maziar Sighary, MDBrooklyn, NY 112031508319815
- Mikhail Silk, M.D.Brooklyn, NY 112031508279944
Common questions
What is William Kwon, MD's NPI number?
William Kwon, MD's National Provider Identifier (NPI) is 1740440494, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Kwon, MD located?
The NPPES record lists a practice address at 450 Clarkson Avenue, Brooklyn, NY, 11203. Phone: (917) 337-4963. Providers update this record themselves, so call before visiting.
How can I verify William Kwon, MD's license?
NPPES lists New York license number 243515, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.