NPPES file of Aug 9, 2026

John Charles Gruendel, M.D.

Cardiovascular Disease Physician · Carmel, NY

John Charles Gruendel, M.D. is a cardiovascular disease physician with a practice address in Carmel, New York, and NPI 1245201227, issued on Jan 30, 2006. Check the license (New York 175379, 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
1245201227
Name
John Charles Gruendel
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
175379 NY
Self-reported in NPPES; status is on the state search
Practice location
672 Stoneleigh Ave, Carmel, NY 10512
Phone
(945) 279-2000
Enumerated
Jan 30, 2006
Record last updated
Nov 17, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(845) 279-7730
Medicaid ID
01358130 NY
Medicare enrollment
Enrolled (PECOS I20040415001136); accepts Medicare assignment
Medical or professional school
New York Medical College, 1987
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 672 Stoneleigh Ave

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

  1. Louis Aurisicchio, M.D.Gastroenterology Physician1235155482
  2. Glenn Boyar, M.D.Cardiovascular Disease Physician1144291956
  3. Carl Calica, MDSurgery Physician1629059670
  4. Paul Cathcart, M.D.Vascular Surgery Physician1902800485
  5. Georgia Close, M.D.Gastroenterology Physician1083746556
  6. George Gorich, M.D.Hospitalist Physician1730125618

Verify John Charles Gruendel 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 175379
    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

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3.3 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

10,092 Medicare Part D claims for 1,275 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. John Gruendel10,092
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate882 claims
  2. Amlodipine Besylate755 claims
  3. Rosuvastatin Calcium706 claims
  4. Atorvastatin Calcium685 claims
  5. Eliquis634 claims
  6. Spironolactone528 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

  1. Optum Medical Care PCMount Kisco, NY

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

Cardiovascular Disease Physician providers in New York

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

Other cardiovascular disease physician records in New York

  1. Michael Aaron, MDWest Islip, NY1790762623
  2. Vivian Abascal, MDRichmond Hill, NY1326049909
  3. Syed Faiz Abbas, MDRochester, NY1316557853
  4. Joseph Abboud, MDBrooklyn, NY1710168901
  5. Marwah Abdalla, M.D.New York, NY1437201415
  6. Mohamed Abdel-Aal Ahmed, M.D.Buffalo, NY1164834776
  7. Khaled Abdulla, M.D.Orchard Park, NY1811423684
  8. Abdullah Abdullah, MDRochester, NY1073965042
  9. Mohammed AbdulrazzaqBrooklyn, NY1871913095
  10. Saddam Abisse, MDSchenectady, NY1013179944

Common questions

What is John Charles Gruendel, M.D.'s NPI number?

John Charles Gruendel, M.D.'s National Provider Identifier (NPI) is 1245201227, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Charles Gruendel, M.D. located?

The NPPES record lists a practice address at 672 Stoneleigh Ave, Carmel, NY, 10512. Phone: (945) 279-2000. Providers update this record themselves, so call before visiting.

How can I verify John Charles Gruendel, M.D.'s license?

NPPES lists New York license number 175379, 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 Charles Gruendel, M.D. prescribe under Medicare Part D?

In 2024, John Charles Gruendel, M.D. had 10,092 Medicare Part D claims for 1,275 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.