{"schema_version":"1","generated_at":"2026-10-29T23:15:16.845Z","data_as_of":null,"url":"https://www.findmykol.com/kol/john-johanson","json_url":"https://www.findmykol.com/kol/john-johanson/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"john-johanson","name":"John Johanson","credential":"MD","specialty":"Gastroenterology","specialty_raw":"Gastroenterology","therapeutic_area":"Gastroenterology","therapeutic_areas":["Gastroenterology"],"city":"Beloit","state":"WI","region":{"label":"Midwest","url":"https://www.findmykol.com/region/midwest"}},"identifiers":{"npi":"1477549699","openalex":"A5109177295"},"summary":"John Johanson is a Gastroenterology physician. OpenAlex indexes 154 publications with 14,244 citations (h-index 54); ClinicalTrials.gov lists 2 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 10% of Gastroenterology profiles in the FindMyKOL directory.","overview":null,"focus":{"indications":[],"research_topics":["Gastroenterology"]},"scholarship":{"works_count":154,"cited_by_count":14244,"h_index":54,"latest_activity_year":2022,"citation_standing":{"top_percent":10,"cohort":"Gastroenterology","method":"https://www.findmykol.com/about#citation-standing"},"source":"works"},"trials":{"count":2,"shown":2,"withheld":0,"matched_by":"investigator name, confirmed against institution and geography","rows":[{"nct":"NCT01459965","title":"Stenting Malignant Jaundice for Quality of Life","phase":"NA","status":"COMPLETED","role":"Overall official","sponsor":"Indiana University","source_url":"https://clinicaltrials.gov/study/NCT01459965","trial_url":"https://www.findmykol.com/trial/NCT01459965"},{"nct":"NCT00485940","title":"Efficacy and Safety Study of Prucalopride for the Treatment of Patients With Chronic Constipation","phase":"PHASE3","status":"COMPLETED","role":"Overall official","sponsor":"Movetis","source_url":"https://clinicaltrials.gov/study/NCT00485940","trial_url":"https://www.findmykol.com/trial/NCT00485940"}],"source":"trials"},"payments":{"company_count":2,"program_years":{"first":2021,"last":null},"rows_total":2,"shown":2,"withheld":0,"rows":[{"payer":"Janssen Biotech, Inc.","program_year":2022,"amount_usd":32.82,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1477549699"},{"payer":"Perrigo Company plc","program_year":2021,"amount_usd":7800,"payment_count":1,"source_url":"https://openpaymentsdata.cms.gov/search?query=1477549699"}],"record_url":"https://openpaymentsdata.cms.gov/search?query=1477549699","source":"payments"},"publications":{"total":50,"shown":5,"withheld":45,"matched_by":"OpenAlex author record","recent":[{"title":"OpenVDB","year":2013,"source_url":"https://doi.org/10.1145/2504435.2504454","status":"verified"},{"title":"Safety and patient outcomes with lubiprostone for up to 52 weeks in patients with irritable bowel syndrome with constipation","year":2012,"journal":"Alimentary Pharmacology & Therapeutics","source_url":"https://doi.org/10.1111/j.1365-2036.2011.04983.x","status":"verified"},{"title":"Long-Term Safety and Effectiveness of Lubiprostone, a Chloride Channel (ClC-2) Activator, in Patients with Chronic Idiopathic Constipation","year":2011,"journal":"Digestive Diseases and Sciences","source_url":"https://doi.org/10.1007/s10620-011-1801-0","status":"verified"},{"title":"Clinical trial: the efficacy and tolerability of velusetrag, a selective 5‐HT<sub>4</sub> agonist with high intrinsic activity, in chronic idiopathic constipation – a 4‐week, randomized, double‐blind, placebo‐controlled, dose–response study","year":2010,"journal":"Alimentary Pharmacology & Therapeutics","source_url":"https://doi.org/10.1111/j.1365-2036.2010.04456.x","status":"verified"},{"title":"Efficacy and Safety of Lubiprostone in Patients with Chronic Constipation","year":2009,"journal":"Digestive Diseases and Sciences","source_url":"https://doi.org/10.1007/s10620-009-1068-x","status":"verified"}],"source":"works"},"contact":{"address_1":"1905 E, HUEBBE PARKWAY","address_2":"BELOIT HEALTH SYSTEM, INC","city":"Beloit","state":"WI","zip":"535111842","phone":"608-364-1460","source_url":"https://npiregistry.cms.hhs.gov/provider-view/1477549699","source":"identity"},"similar":[{"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":{"publications":45}},"sources":{"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":"2011-10-19","collected_at":"2026-10-27T00:00:00.000Z"},"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"}},"methodology_url":"https://www.findmykol.com/about#methodology"}