NPPES file of Aug 9, 2026

John J. Kelemen, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Hilton Head Island, SC

John J. Kelemen, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Hilton Head Island, South Carolina, and NPI 1871554212, issued on Mar 28, 2006. Check the license on the South Carolina Board of Medical Examiners; 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
1871554212
Name
John J. Kelemen
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
01075452A IN
04-31210 KS
34064 WI
Self-reported in NPPES; status is on the state search
Practice location
25 Hospital Center Blvd Ste 306, Hilton Head Island, SC 29926
Phone
(843) 689-8224
Enumerated
Mar 28, 2006
Record last updated
Feb 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(843) 689-8360
Medicaid IDs
200326510A KS
200326510D KS
201291370 IN
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.
Download card Updates feed

Also registered at 25 Hospital Center Blvd Ste 306

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

  1. Timothy Marshall, PA-CSurgical Physician Assistant1861948804

Verify John J. Kelemen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck 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 South Carolina 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

34 Medicare Part D claims for 16 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. John Kelemen34
  2. Specialty average101

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: $11,564.41

44 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Kelemen$11,564
  2. Specialty average$7,829

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

John J. Kelemen among 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina

John J. Kelemen, M.D. is one of 97 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in South Carolina. 86% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2019 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in South Carolina

There are 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Thomas Paxton, M.D.Aiken, SC 298011013975093
  2. Lothaire Voegele, M.D.Aiken, SC 298011184707523
  3. Barry Chan, MDRock Hill, SC 297321114900826
  4. Peter Zakow, MDRock Hill, SC 297321568408623
  5. Kenneth Franco, MDGreenwood, SC 296461558375212
  6. Brian Goodman, M.D.Greenwood, SC 296461740453893
  7. Stephen Greer, DOGreenwood, SC 296461306868666
  8. Claudio Guareschi, MDGreenwood, SC 296461639106990

Common questions

What is John J. Kelemen, M.D.'s NPI number?

John J. Kelemen, M.D.'s National Provider Identifier (NPI) is 1871554212, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John J. Kelemen, M.D. located?

The NPPES record lists a practice address at 25 Hospital Center Blvd Ste 306, Hilton Head Island, SC, 29926. Phone: (843) 689-8224. Providers update this record themselves, so call before visiting.

How can I verify John J. Kelemen, M.D.'s license?

Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John J. Kelemen, M.D. prescribe under Medicare Part D?

In 2024, John J. Kelemen, M.D. had 34 Medicare Part D claims for 16 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.