{"id":"https://openalex.org/A5012879010","orcid":"https://orcid.org/0000-0002-0527-0056","observed_orcids":["https://orcid.org/0000-0002-0527-0056"],"display_name":"Jonathan P. Heldt","raw_author_names":["Heldt, Jonathan P","J P Heldt","Jonathan Heldt","Jonathan Heldt,","Jonathan P Heldt","Jonathan P. Heldt"],"full_name":"Jonathan P. Heldt","works_count":36,"cited_by_count":380,"summary_stats":{"2yr_mean_citedness":1.5,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5012879010","orcid":"https://orcid.org/0000-0002-0527-0056","observed_orcids":["https://orcid.org/0000-0002-0527-0056"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1293502524","ror":"https://ror.org/03et1qs84","display_name":"Loma Linda University Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1293502524"]},"years":[2014,2013,2012,2011,2010,2009]},{"institution":{"id":"https://openalex.org/I1322918889","ror":"https://ror.org/05rsv9s98","display_name":"United States Department of Veterans Affairs","country_code":"US","type":"government","lineage":["https://openalex.org/I1322918889"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I161318765","ror":"https://ror.org/046rm7j60","display_name":"University of California, Los Angeles","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]},"years":[2026,2025,2024,2023,2021,2018,2017]},{"institution":{"id":"https://openalex.org/I26347476","ror":"https://ror.org/04bj28v14","display_name":"Loma Linda University","country_code":"US","type":"education","lineage":["https://openalex.org/I26347476"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I4210095401","ror":"https://ror.org/00saxze38","display_name":"Loma Linda University Health Care","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210095401"]},"years":[2012,2010,2009]},{"institution":{"id":"https://openalex.org/I4210096972","ror":"https://ror.org/00spys463","display_name":"Los Angeles Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1343052199","https://openalex.org/I4210096972"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210156876","ror":"https://ror.org/05xcarb80","display_name":"VA Greater Los Angeles Healthcare System","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1322918889","https://openalex.org/I2799886695","https://openalex.org/I4210138663","https://openalex.org/I4210156876"]},"years":[2025,2023,2021]}],"last_known_institutions":[{"id":"https://openalex.org/I1322918889","ror":"https://ror.org/05rsv9s98","display_name":"United States Department of Veterans Affairs","country_code":"US","type":"government","lineage":["https://openalex.org/I1322918889"]},{"id":"https://openalex.org/I161318765","ror":"https://ror.org/046rm7j60","display_name":"University of California, Los Angeles","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"topics":[{"id":"https://openalex.org/T10844","display_name":"Radiation Dose and Imaging","count":11,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10606","display_name":"Kidney Stones and Urolithiasis Treatments","count":9,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","count":6,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10449","display_name":"Renal cell carcinoma treatment","count":6,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11894","display_name":"Radiology practices and education","count":6,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10606","display_name":"Kidney Stones and Urolithiasis Treatments","value":4.53e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11678","display_name":"Healthcare Decision-Making and Restraints","value":4.5e-05,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10844","display_name":"Radiation Dose and Imaging","value":3.63e-05,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10449","display_name":"Renal cell carcinoma treatment","value":2.86e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11894","display_name":"Radiology practices and education","value":2.81e-05,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9902431964874268},{"id":"2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","score":0.6888168454170227},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6834865212440491},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.5586703419685364},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.45607641339302063}],"counts_by_year":[{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":7,"oa_works_count":0,"cited_by_count":32},{"year":2013,"works_count":3,"oa_works_count":0,"cited_by_count":20},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":23},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":33},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":23},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":24},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":26},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":25},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":23},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":23},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":16}],"display_name_alternatives":["Heldt, Jonathan P","J P Heldt","Jonathan Heldt","Jonathan Heldt,","Jonathan P Heldt","Jonathan P. Heldt"],"block_key":"j heldt","works_api_url":"https://api.openalex.org/works?filter=author.id:A5012879010","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}