Gregory Fontana, MD
Basic profileThoracic Surgery (Cardiothoracic Vascular Surgery)
Gregory Fontana is a Cardiology physician. OpenAlex indexes 175 publications with 27,158 citations (h-index 42); ClinicalTrials.gov lists 2 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Thoracic Surgery (Cardiothoracic Vascular Surgery) profiles in the findmyKOL directory.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingClinical trials
- REdo tranScatheter Aortic Valve Replacement for Transcatheter aOrtic Valve failuRE
Sponsor: Medtronic Cardiovascular
- Portico Re-sheathable Transcatheter Aortic Valve System US IDE Trial
Sponsor: Abbott Medical Devices
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
59 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
59 companies with payments on record in CMS Open Payments (2021 onward), matched to this physician's NPI. The itemized breakdown by company, amount and year is part of the full profile. Why? →
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A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”