{"schema_version":"1","generated_at":"2026-10-29T21:49:52.291Z","data_as_of":null,"url":"https://www.findmykol.com/kol/ryota-niikura","json_url":"https://www.findmykol.com/kol/ryota-niikura/profile.json","record_kind":"basic","profile_kind":"research","person":{"slug":"ryota-niikura","name":"Ryota Niikura","specialty":"Medicine","therapeutic_area":"Gastroenterology","therapeutic_areas":["Gastroenterology"],"institution":"Tokyo Medical University","institution_url":"https://www.findmykol.com/institution/tokyo-medical-university","register":{"country":"JP"}},"identifiers":{"orcid":"0000-0001-5047-6195","openalex":"A5004555604"},"summary":"Ryota Niikura is a Gastroenterology researcher affiliated with Tokyo Medical University. OpenAlex indexes 162 publications with 4,694 citations (h-index 38).","overview":null,"focus":{"indications":[],"research_topics":["Gastroenterology"]},"scholarship":{"works_count":162,"cited_by_count":4694,"h_index":38,"source":"works"},"payments":{"note":"Not applicable. This profile is anchored outside the United States, where CMS Open Payments and Medicare prescribing do not report."},"similar":[{"name":"Masahiko Shimura","slug":"masahiko-shimura","institution":"Tokyo Medical University","url":"https://www.findmykol.com/kol/masahiko-shimura","json_url":"https://www.findmykol.com/kol/masahiko-shimura/profile.json"},{"name":"Takao Itoi","slug":"takao-itoi","institution":"Tokyo Medical University","url":"https://www.findmykol.com/kol/takao-itoi","json_url":"https://www.findmykol.com/kol/takao-itoi/profile.json"},{"name":"Yuichi Inoue","slug":"yuichi-inoue","institution":"Tokyo Medical University","url":"https://www.findmykol.com/kol/yuichi-inoue","json_url":"https://www.findmykol.com/kol/yuichi-inoue/profile.json"},{"name":"Kazuma Ohyashiki","slug":"kazuma-ohyashiki","institution":"Tokyo Medical University","url":"https://www.findmykol.com/kol/kazuma-ohyashiki","json_url":"https://www.findmykol.com/kol/kazuma-ohyashiki/profile.json"},{"name":"Charles Rice","slug":"charles-rice","institution":"The Rockefeller University","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/charles-rice","json_url":"https://www.findmykol.com/kol/charles-rice/profile.json"},{"name":"Edward Loftus","slug":"edward-loftus","institution":"Mayo Clinic Rochester","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/edward-loftus","json_url":"https://www.findmykol.com/kol/edward-loftus/profile.json"},{"name":"Naga Chalasani","slug":"naga-chalasani","institution":"Indiana University School of Medicine","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/naga-chalasani","json_url":"https://www.findmykol.com/kol/naga-chalasani/profile.json"},{"name":"Bruce Sands","slug":"bruce-sands","institution":"Icahn School of Medicine at Mount Sinai","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/bruce-sands","json_url":"https://www.findmykol.com/kol/bruce-sands/profile.json"}],"coverage":{"note":"A basic record from the physician directory. 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"},"works":{"name":"OpenAlex","url":"https://openalex.org","provides":"Citations, h-index, research topics, most-cited works and congress abstracts"}},"methodology_url":"https://www.findmykol.com/about#methodology"}