NPPES file of Aug 9, 2026

John Francis Michael Hennecken, MD

Cardiovascular Disease Physician · Brooklyn, NY

John Francis Michael Hennecken, MD is a cardiovascular disease physician with a practice address in Brooklyn, New York, and NPI 1104856780, issued on Jul 3, 2006. Check the license (New York 15076501, 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
1104856780
Name
John Francis Michael Hennecken
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
15076501 NY
035901 GA
35901 GA
Self-reported in NPPES; status is on the state search
Practice location
300 Cadman Plz W FL 18, Brooklyn, NY 11201
Phone
(929) 210-6135
Enumerated
Jul 3, 2006
Record last updated
May 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
000508934I, J GA
Medicare enrollment
Enrolled (PECOS I20200408001882); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1981
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 300 Cadman Plz W FL 18

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

  1. Antoine Nguyen, DOInternal Medicine Physician1922739739
  2. Leanne Pereira, MDObstetrics & Gynecology Physician1790175891

Verify John Francis Michael Hennecken 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 15076501
    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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32% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,107 Medicare Part D claims for 305 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. John Francis Hennecken2,107
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium334 claims
  2. Metoprolol Succinate252 claims
  3. Rosuvastatin Calcium211 claims
  4. Losartan Potassium177 claims
  5. Amlodipine Besylate115 claims
  6. Ezetimibe102 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: $486.81

4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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. John Francis Hennecken$486.81
  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 SinaiBrooklyn, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Francis Michael Hennecken among 2,583 cardiovascular disease physician records in New York

John Francis Michael Hennecken, 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
  • Graduated1981 · median 1998 among the 1,896 with a school on file
  • Record last updated2020 · 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. Joseph Abboud, MDBrooklyn, NY 112011710168901
  2. Nicholas Caccavo, MDBrooklyn, NY 112011326142506
  3. Ozgen Dogan, MDBrooklyn, NY 112011841392131
  4. Nay Htyte, M.D.Brooklyn, NY 112011639308299
  5. Sudarsanam Konka, MDBrooklyn, NY 112011417051699
  6. Chirag Patel, M.D.Brooklyn, NY 112011750589008
  7. Sarath Reddy, MDBrooklyn, NY 112011558334078
  8. Carlos Rodriguez, MDBrooklyn, NY 112011619938578

Common questions

What is John Francis Michael Hennecken, MD's NPI number?

John Francis Michael Hennecken, MD's National Provider Identifier (NPI) is 1104856780, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Francis Michael Hennecken, MD located?

The NPPES record lists a practice address at 300 Cadman Plz W FL 18, Brooklyn, NY, 11201. Phone: (929) 210-6135. Providers update this record themselves, so call before visiting.

How can I verify John Francis Michael Hennecken, MD's license?

NPPES lists New York license number 15076501, 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 Francis Michael Hennecken, MD prescribe under Medicare Part D?

In 2024, John Francis Michael Hennecken, MD had 2,107 Medicare Part D claims for 305 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.