John Dongyoon Kang, MD
Internal Medicine Physician · New York, NY
John Dongyoon Kang, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1790434306, issued on Mar 21, 2022. Check the license (New York 334283, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Dongyoon Kang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 334283 NY
Self-reported in NPPES; status is on the state search - Practice location
- 226 W 14TH St # A, New York, NY 10011
- Phone
- (212) 604-1800
- Enumerated
- Mar 21, 2022
- Record last updated
- May 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20250814002929); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify John Dongyoon Kang 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 334283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,060 Medicare Part D claims for 125 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium87 claims
- Lisinopril61 claims
- Amlodipine Besylate48 claims
- Levothyroxine Sodium42 claims
- Trazodone Hcl32 claims
- Losartan Potassium29 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
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Dongyoon Kang among 12,067 internal medicine physician records in New York
John Dongyoon Kang, MD is one of 12,067 internal medicine physician records with a practice address in New York. 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 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 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- James Januzzi, M.D.New York, NY 100111477599769
- Dennis Karter, MDNew York, NY 100111639142714
- Fredric Kellogg, MDNew York, NY 100111053341735
- William Mandell, MDNew York, NY 100111770555088
- Gal Mayer, MDNew York, NY 100111518942069
- Nancy Mellow, MDNew York, NY 100111538151576
Common questions
What is John Dongyoon Kang, MD's NPI number?
John Dongyoon Kang, MD's National Provider Identifier (NPI) is 1790434306, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Dongyoon Kang, MD located?
The NPPES record lists a practice address at 226 W 14TH St # A, New York, NY, 10011. Phone: (212) 604-1800. Providers update this record themselves, so call before visiting.
How can I verify John Dongyoon Kang, MD's license?
NPPES lists New York license number 334283, 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.
How much does John Dongyoon Kang, MD prescribe under Medicare Part D?
In 2024, John Dongyoon Kang, MD had 1,060 Medicare Part D claims for 125 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.