John Michael Karamichalis, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY
John Michael Karamichalis, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in New York, New York, and NPI 1467651083, issued on Jul 13, 2007. Check the license (New York 308870, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Michael Karamichalis
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 308870 NY
D0102612 MD
MD485660 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3959 Broadway, New York, NY 10032
- Phone
- (212) 305-0914
- Enumerated
- Jul 13, 2007
- Record last updated
- May 6, 2025
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 446 in New York → Look up another NPI →
Also registered at 3959 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Michael Karamichalis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 308870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $624.13
4 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Michael Karamichalis among 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York
John Michael Karamichalis, MD is one of 446 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in New York. 75% 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 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2025 · 63% 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 New York 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 New York
There are 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York.
All 446 in New York → Every provider in New York → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Michael Argenziano, M.D.New York, NY 100321922042332
- Emile Bacha, MDNew York, NY 100321396856159
- Frank D'Ovidio, MDNew York, NY 100321225029143
- Arnar Geirsson, MDNew York, NY 100321306990916
- Isaac George, M.D.New York, NY 100321457430837
- Mark Ginsburg, MDNew York, NY 100321992702575
- Yoshifumi Naka, M.D.New York, NY 100321073554887
- Mehmet Oz, M.D.New York, NY 100321821039694
Common questions
What is John Michael Karamichalis, MD's NPI number?
John Michael Karamichalis, MD's National Provider Identifier (NPI) is 1467651083, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Karamichalis, MD located?
The NPPES record lists a practice address at 3959 Broadway, New York, NY, 10032. Phone: (212) 305-0914. Providers update this record themselves, so call before visiting.
How can I verify John Michael Karamichalis, MD's license?
NPPES lists New York license number 308870, 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.
What is John Michael Karamichalis, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.