NPPES file of Aug 9, 2026

Jonathan Korn, M.D.

Specialist · New York, NY

Jonathan Korn, M.D. is a specialist with a practice address in New York, New York, and NPI 1912048810, issued on Feb 12, 2007. Check the license (New York 094450, as entered in NPPES) with the New York board that licenses this profession; 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
1912048810
Name
Jonathan Korn
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
094450 NY
Self-reported in NPPES; status is on the state search
Practice location
159 E 69TH St, New York, NY 10021
Phone
(212) 744-1505
Enumerated
Feb 12, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Verify Jonathan Korn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 094450
    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
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97% fewer Medicare Part D claims than the average specialist in 2024

45 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Jonathan Korn45
  2. Specialty average1,380

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.

Jonathan Korn among 22,636 specialist records in New York

Jonathan Korn, M.D. is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.

  • NPI issued2007 · 8% of these records are older, 89% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,896 specialist records list a practice address in New York

They are 1,896 of the 98,468 NPPES records with a practice address in New York, and 22,636 specialist records in New York.

The 8 specialist records with the nearest ZIP codes

  1. Dalit Ashany, M.D.New York, NY 100211407819931
  2. Barbara Braffman, M.D.New York, NY 100211225001662
  3. Keith Brunckhorst, M.D.New York, NY 100211053381186
  4. Doris Day, MDNew York, NY 100211851384028
  5. William Grace, M.D.New York, NY 100211578565610
  6. Gwen Harris, MDNew York, NY 100211285607614
  7. Clyde Hershan, M.D.New York, NY 100211568435956
  8. H. Jaliman, M.D.New York, NY 100211376505453

Common questions

What is Jonathan Korn, M.D.'s NPI number?

Jonathan Korn, M.D.'s National Provider Identifier (NPI) is 1912048810, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Korn, M.D. located?

The NPPES record lists a practice address at 159 E 69TH St, New York, NY, 10021. Phone: (212) 744-1505. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Korn, M.D.'s license?

NPPES lists New York license number 094450, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Jonathan Korn, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Korn, M.D. had 45 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.