{"schema_version":"1","generated_at":"2026-11-10T15:53:37.306Z","data_as_of":null,"url":"https://www.findmykol.com/kol/calvin-hirsch","json_url":"https://www.findmykol.com/kol/calvin-hirsch/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"calvin-hirsch","name":"Calvin Hirsch","credential":"MD","specialty":"Internal Medicine","specialty_raw":"Internal Medicine","therapeutic_area":"Primary Care","therapeutic_areas":["Primary Care"],"institution":"University of California, Davis","institution_url":"https://www.findmykol.com/institution/university-of-california-davis","city":"Sacramento","state":"CA","region":{"label":"West","url":"https://www.findmykol.com/region/west"}},"identifiers":{"npi":"1073597332","orcid":"0000-0001-6516-9307","openalex":"A5031077891"},"summary":"Calvin Hirsch is a Primary Care physician affiliated with University of California, Davis. OpenAlex indexes 189 publications with 32,276 citations (h-index 35); ClinicalTrials.gov lists 1 registered study matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Internal Medicine profiles in the FindMyKOL directory.","overview":null,"focus":{"indications":[],"research_topics":["Primary Care"]},"scholarship":{"works_count":189,"cited_by_count":32276,"h_index":35,"citation_standing":{"top_percent":5,"cohort":"Internal Medicine","method":"https://www.findmykol.com/about#citation-standing"},"source":"works"},"trials":{"count":1,"shown":1,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT00005133","title":"Cardiovascular Health Study (CHS)","status":"ACTIVE_NOT_RECRUITING","role":"Overall official","sponsor":"National Heart, Lung, and Blood Institute (NHLBI)","source_url":"https://clinicaltrials.gov/study/NCT00005133","trial_url":"https://www.findmykol.com/trial/NCT00005133"}],"source":"trials"},"similar":[{"name":"Michael Rogawski","slug":"michael-rogawski","institution":"University of California, Davis","specialty":"Neurology","url":"https://www.findmykol.com/kol/michael-rogawski","json_url":"https://www.findmykol.com/kol/michael-rogawski/profile.json"},{"name":"Christopher Bowlus","slug":"christopher-bowlus","institution":"University of California, Davis","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/christopher-bowlus","json_url":"https://www.findmykol.com/kol/christopher-bowlus/profile.json"},{"name":"Emanual Maverakis","slug":"emanual-maverakis","institution":"University of California, Davis","specialty":"Dermatology","url":"https://www.findmykol.com/kol/emanual-maverakis","json_url":"https://www.findmykol.com/kol/emanual-maverakis/profile.json"},{"name":"Carroll Cross","slug":"carroll-cross","institution":"University of California, Davis","specialty":"Pulmonary Disease","url":"https://www.findmykol.com/kol/carroll-cross","json_url":"https://www.findmykol.com/kol/carroll-cross/profile.json"},{"name":"Fei Wang","slug":"fei-wang","institution":"Cornell University","specialty":"Family Medicine","url":"https://www.findmykol.com/kol/fei-wang","json_url":"https://www.findmykol.com/kol/fei-wang/profile.json"},{"name":"Michael Hassman","slug":"michael-hassman","specialty":"Adult Medicine","url":"https://www.findmykol.com/kol/michael-hassman","json_url":"https://www.findmykol.com/kol/michael-hassman/profile.json"},{"name":"Barbara Rizzardi","slug":"barbara-rizzardi","specialty":"Internal Medicine","url":"https://www.findmykol.com/kol/barbara-rizzardi","json_url":"https://www.findmykol.com/kol/barbara-rizzardi/profile.json"},{"name":"Kimball Johnson","slug":"kimball-johnson","specialty":"Internal Medicine","url":"https://www.findmykol.com/kol/kimball-johnson","json_url":"https://www.findmykol.com/kol/kimball-johnson/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":["funding","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":{}},"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"},"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"}},"methodology_url":"https://www.findmykol.com/about#methodology"}