NPPES file of Aug 9, 2026

Robert Jonathan Kornberg, MD

Cardiovascular Disease Physician · New York, NY

Robert Jonathan Kornberg, MD is a cardiovascular disease physician with a practice address in New York, New York, and NPI 1811088479, issued on Sep 27, 2006. Check the license (New York 206528, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1811088479
Name
Robert Jonathan Kornberg
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
206528 NY
Self-reported in NPPES; status is on the state search
Practice location
425 W 59TH St, New York, NY 10019
Phone
(212) 492-5550
Enumerated
Sep 27, 2006
Record last updated
Apr 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050810000224); accepts Medicare assignment
Medical or professional school
New York Medical College, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 425 W 59TH St

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

  1. Lisa Abramson, M.D.Diagnostic Radiology Physician1962662221
  2. Lynn Allen, M.D.Endocrinology, Diabetes & Metabolism Physician1003809146
  3. Lisa Anderson, MDGynecologic Oncology Physician1568425767
  4. Milla Arabadjian, FNPFamily Nurse Practitioner1417181975
  5. Fadi Attiyeh, M.D.Surgical Oncology Physician1649377326
  6. Kathryn Baxter, N.P.Family Nurse Practitioner1962404566

Verify Robert Jonathan Kornberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 206528
    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 New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,228 Medicare Part D claims for 487 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Robert Kornberg3,228
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate473 claims
  2. Atorvastatin Calcium408 claims
  3. Amlodipine Besylate219 claims
  4. Entresto217 claims
  5. Carvedilol170 claims
  6. Eliquis159 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.

Industry payments in 2024: $680.38

32 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Kornberg$680.38
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. 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).

Robert Jonathan Kornberg among 2,583 cardiovascular disease physician records in New York

Robert Jonathan Kornberg, MD is one of 2,583 cardiovascular disease physician records with a practice address in New York. 87% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 41% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1986 · median 1998 among the 1,896 with a school on file
  • Record last updated2019 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in New York

There are 2,583 cardiovascular disease physician records in New York.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Inna Bukharovich, M.D.New York, NY 100191801873971
  2. Luciano Delguzzo, MDNew York, NY 100191457308876
  3. Olivier Frankenberger, MDNew York, NY 100191902882327
  4. Patrick Fratellone, MDNew York, NY 100191851347173
  5. Henry Greenberg, M.D.New York, NY 100191639162555
  6. Eyal Herzog, M.D.New York, NY 100191205831401
  7. Bette Kim, M.D.New York, NY 100191023095171
  8. Franz Messerli, M.D.New York, NY 100191457344251

Common questions

What is Robert Jonathan Kornberg, MD's NPI number?

Robert Jonathan Kornberg, MD's National Provider Identifier (NPI) is 1811088479, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Jonathan Kornberg, MD located?

The NPPES record lists a practice address at 425 W 59TH St, New York, NY, 10019. Phone: (212) 492-5550. Providers update this record themselves, so call before visiting.

How can I verify Robert Jonathan Kornberg, MD's license?

NPPES lists New York license number 206528, 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 Robert Jonathan Kornberg, MD prescribe under Medicare Part D?

In 2024, Robert Jonathan Kornberg, MD had 3,228 Medicare Part D claims for 487 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.