Roy John is a Cardiology physician affiliated with Palo Alto University. OpenAlex indexes 277 publications with 8,265 citations (h-index 46). By OpenAlex citation count, this profile ranks in the top 10% of Clinical Cardiac Electrophysiology profiles in the findmyKOL directory.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
300 Pasteur Dr
Stanford, CA 943052200
Telephone
650-723-4000Provider last certified this registry record 22 Apr 2024.
Industry payments
9 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Biosense Webster, Inc.Program year202515 payments
- Abbott LaboratoriesProgram year202526 payments
- Boston Scientific CorporationProgram year20253 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Concomitant leadless pacemaker implantation and lead extraction during an active infection
Journal of Cardiovascular Electrophysiology
2020 - Infusion Needle Radiofrequency Ablation for Treatment of Refractory Ventricular Arrhythmias
Journal of the American College of Cardiology
2019 - Long-Term Outcomes After Ablation for Paroxysmal Atrial Fibrillation Using the Second-Generation Cryoballoon
JACC. Clinical electrophysiology
2018 - Temporal trends in safety and complication rates of catheter ablation for atrial fibrillation
Journal of Cardiovascular Electrophysiology
2018
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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.”