{"schema_version":"1","generated_at":"2026-11-02T19:30:46.668Z","data_as_of":null,"url":"https://www.findmykol.com/kol/henry-halperin","json_url":"https://www.findmykol.com/kol/henry-halperin/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"henry-halperin","name":"Henry Halperin","credential":"MD","specialty":"Clinical Cardiac Electrophysiology","specialty_raw":"Clinical Cardiac Electrophysiology","therapeutic_area":"Cardiology","therapeutic_areas":["Cardiology"],"institution":"Johns Hopkins University","institution_url":"https://www.findmykol.com/institution/johns-hopkins-university-school-of-medicine","city":"Baltimore","state":"MD","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1982656443","orcid":"0000-0002-5002-2000","openalex":"A5054743614"},"summary":"Henry Halperin is a Cardiology physician affiliated with Johns Hopkins University. OpenAlex indexes 424 publications with 21,814 citations (h-index 70); ClinicalTrials.gov lists 3 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Clinical Cardiac Electrophysiology profiles in the FindMyKOL directory.","overview":null,"focus":{"indications":[],"research_topics":["Cardiology"]},"scholarship":{"works_count":424,"cited_by_count":21814,"h_index":70,"latest_activity_year":2026,"citation_standing":{"top_percent":5,"cohort":"Clinical Cardiac Electrophysiology","method":"https://www.findmykol.com/about#citation-standing"},"source":"works"},"trials":{"count":3,"shown":3,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT02888353","title":"Magnetic Resonance Imaging (MRI) in Patients With Pacemakers and Implanted Cardioverter Defibrillators","phase":"NA","status":"ENROLLING_BY_INVITATION","role":"Overall official","sponsor":"Johns Hopkins University","source_url":"https://clinicaltrials.gov/study/NCT02888353","trial_url":"https://www.findmykol.com/trial/NCT02888353"},{"nct":"NCT02227004","title":"Safety of Magnetic Resonance Imaging in Patients With Pacemakers and Defibrillators","status":"COMPLETED","role":"Overall official","sponsor":"Johns Hopkins University","source_url":"https://clinicaltrials.gov/study/NCT02227004","trial_url":"https://www.findmykol.com/trial/NCT02227004"},{"nct":"NCT01130896","title":"Clinically Indicated Magnetic Resonance Imaging in Patients With Cardiac Devices","status":"COMPLETED","role":"Overall official","sponsor":"Johns Hopkins University","source_url":"https://clinicaltrials.gov/study/NCT01130896","trial_url":"https://www.findmykol.com/trial/NCT01130896"}],"source":"trials"},"payments":{"company_count":3,"program_years":{"first":2021,"last":null},"rows_total":3,"shown":3,"withheld":0,"rows":[{"payer":"Biosense Webster, Inc.","program_year":2024,"amount_usd":171.26,"payment_count":2,"source_url":"https://openpaymentsdata.cms.gov/search?query=1982656443"},{"payer":"ZOLL Medical Corporation","program_year":2023,"amount_usd":11000,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1982656443"},{"payer":"ShockWave Medical, Inc","program_year":2023,"amount_usd":2000,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1982656443"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1982656443","source":"payments"},"funding":{"award_count":12,"fiscal_years":{"first":1985,"last":2026},"rows_total":52,"shown":3,"withheld":49,"matched_by":"principal investigator name at an organization in the practice state","rows":[{"project":"R42HL166051","title":"Non Magnetic MRI Conditional External Defibrillator with Reduced Skeletal Muscle Contraction","fiscal_year":2026,"amount_usd":"1043326","organization":"CORAM TECHNOLOGIES, INC.","source_url":"https://reporter.nih.gov/quickSearch/R42HL166051"},{"project":"R42HL166051","title":"Non Magnetic MRI Conditional External Defibrillator with Reduced Skeletal Muscle Contraction","fiscal_year":2025,"amount_usd":"1051193","organization":"CORAM TECHNOLOGIES, INC.","source_url":"https://reporter.nih.gov/quickSearch/R42HL166051"},{"project":"R01HL155760","title":"The Hemodynamic and Metabolic Effects of Advanced Circulatory Support for Resuscitation","fiscal_year":2024,"amount_usd":"779108","organization":"JOHNS HOPKINS UNIVERSITY","source_url":"https://reporter.nih.gov/quickSearch/R01HL155760"}],"source":"grants"},"contact":{"address_1":"600 N WOLFE ST","city":"Baltimore","state":"MD","zip":"212870005","phone":"410-955-3116","source_url":"https://npiregistry.cms.hhs.gov/provider-view/1982656443","source":"identity"},"similar":[{"name":"Daniel Laheru","slug":"daniel-laheru","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/daniel-laheru","json_url":"https://www.findmykol.com/kol/daniel-laheru/profile.json"},{"name":"Demosthenes G. Katritsis","slug":"demosthenes-katritsis","institution":"Johns Hopkins University","url":"https://www.findmykol.com/kol/demosthenes-katritsis","json_url":"https://www.findmykol.com/kol/demosthenes-katritsis/profile.json"},{"name":"Tanguy Seiwert","slug":"tanguy-seiwert","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/tanguy-seiwert","json_url":"https://www.findmykol.com/kol/tanguy-seiwert/profile.json"},{"name":"Evan Lipson","slug":"evan-lipson","institution":"Johns Hopkins University","specialty":"Medical Oncology","url":"https://www.findmykol.com/kol/evan-lipson","json_url":"https://www.findmykol.com/kol/evan-lipson/profile.json"},{"name":"Deepak Bhatt","slug":"deepak-bhatt","institution":"Icahn School of Medicine at Mount Sinai","specialty":"Interventional Cardiology","url":"https://www.findmykol.com/kol/deepak-bhatt","json_url":"https://www.findmykol.com/kol/deepak-bhatt/profile.json"},{"name":"Harlan Krumholz","slug":"harlan-krumholz","institution":"Yale School of Medicine","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/harlan-krumholz","json_url":"https://www.findmykol.com/kol/harlan-krumholz/profile.json"},{"name":"Martin Leon","slug":"martin-leon","institution":"Columbia University Irving Medical Center","specialty":"Interventional Cardiology","url":"https://www.findmykol.com/kol/martin-leon","json_url":"https://www.findmykol.com/kol/martin-leon/profile.json"},{"name":"Scott Solomon","slug":"scott-solomon","institution":"Brigham and Women's Hospital","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/scott-solomon","json_url":"https://www.findmykol.com/kol/scott-solomon/profile.json"}],"coverage":{"note":"A basic directory record. Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. Judgments (influence tier, archetype, trajectory commentary) and the itemized rows past each section's public teaser are account features and are not served here or to crawlers.","withheld_rows":{"funding":49}},"sources":{"orcid":{"name":"ORCID","url":"https://orcid.org","provides":"The verified researcher identity that anchors authorship"},"identity":{"name":"NPPES (CMS)","url":"https://npiregistry.cms.hhs.gov","provides":"Identity, specialty and practice location for every U.S. clinician","coverage":"Practice location (not mailing) from the NPPES record","record_last_updated":"2013-02-07","collected_at":"2026-11-02T00:00:00.000Z"},"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"},"trials":{"name":"ClinicalTrials.gov","url":"https://clinicaltrials.gov","provides":"Investigator roles on registered clinical studies"},"payments":{"name":"CMS Open Payments","url":"https://openpaymentsdata.cms.gov","provides":"Industry payments reported to CMS, by company and program year","disclaimer":"Payments are publicly reported to CMS. Their existence does not imply wrongdoing; CMS does not interpret these data.","coverage":"Program years 2021 onward"},"grants":{"name":"NIH RePORTER","url":"https://reporter.nih.gov","provides":"Federally funded research awards, by fiscal year"}},"methodology_url":"https://www.findmykol.com/about#methodology"}