{"schema_version":"1","generated_at":"2026-11-05T18:46:08.418Z","data_as_of":null,"url":"https://www.findmykol.com/kol/marika-bergenstock","json_url":"https://www.findmykol.com/kol/marika-bergenstock/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"marika-bergenstock","name":"Marika Bergenstock","specialty":"Gastroenterology","specialty_raw":"Gastroenterology","therapeutic_area":"Gastroenterology","therapeutic_areas":["Gastroenterology"],"institution":"Geisinger Medical Center","institution_url":"https://www.findmykol.com/institution/geisinger-medical-center","city":"Danville","state":"PA","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1518386960","openalex":"A5051241468"},"summary":"Marika Bergenstock is a Gastroenterology physician affiliated with Geisinger Medical Center. OpenAlex indexes 25 publications with 746 citations (h-index 7).","overview":null,"focus":{"indications":[],"research_topics":["Gastroenterology"]},"scholarship":{"works_count":25,"cited_by_count":746,"h_index":7,"latest_activity_year":2021,"source":"works"},"publications":{"total":25,"shown":5,"withheld":20,"matched_by":"OpenAlex author record","recent":[{"title":"Identifying Gender Barriers for Colorectal Cancer Screening and Assessing the Need for a Multigender Endoscopy Team: A Prospective Multicenter Study","year":2021,"journal":"The American Journal of Gastroenterology","source_url":"https://doi.org/10.14309/ajg.0000000000001318","status":"verified"},{"title":"Safety and Efficacy of Nitazoxanide-Based Regimen for the Eradication of Helicobacter pylori Infection: A Systematic Review and Meta-Analysis","year":2020,"journal":"Gastroenterology Research","source_url":"https://doi.org/10.14740/gr1342","status":"verified"},{"title":"S0283 A Single Center Review of Patients With a Positive Multi-Target Stool DNA Test and Negative Colonoscopy","year":2020,"journal":"The American Journal of Gastroenterology","source_url":"https://doi.org/10.14309/01.ajg.0000703180.42034.fb","status":"verified"},{"title":"S1517 Evaluating Obscure GI Bleeding in Pancreatitis","year":2020,"journal":"The American Journal of Gastroenterology","source_url":"https://doi.org/10.14309/01.ajg.0000708116.43345.70","status":"verified"},{"title":"S1450 Mirizzi Syndrome Masquerading as a Pancreatic Head Mass","year":2020,"journal":"The American Journal of Gastroenterology","source_url":"https://doi.org/10.14309/01.ajg.0000707848.62003.43","status":"verified"}],"source":"works"},"similar":[{"name":"Christopher Still","slug":"christopher-still","institution":"Geisinger Medical Center","specialty":"Internal Medicine","url":"https://www.findmykol.com/kol/christopher-still","json_url":"https://www.findmykol.com/kol/christopher-still/profile.json"},{"name":"Clemens Schirmer","slug":"clemens-schirmer","institution":"Geisinger Medical Center","specialty":"Neurological Surgery","url":"https://www.findmykol.com/kol/clemens-schirmer","json_url":"https://www.findmykol.com/kol/clemens-schirmer/profile.json"},{"name":"Kenneth Altman","slug":"kenneth-altman","institution":"Geisinger Medical Center","specialty":"Otolaryngology","url":"https://www.findmykol.com/kol/kenneth-altman","json_url":"https://www.findmykol.com/kol/kenneth-altman/profile.json"},{"name":"Shikhar Agarwal","slug":"shikhar-agarwal","institution":"Geisinger Medical Center","specialty":"Cardiovascular Disease","url":"https://www.findmykol.com/kol/shikhar-agarwal","json_url":"https://www.findmykol.com/kol/shikhar-agarwal/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":"Kris Kowdley","slug":"kris-kowdley","institution":"Washington State University","specialty":"Gastroenterology","url":"https://www.findmykol.com/kol/kris-kowdley","json_url":"https://www.findmykol.com/kol/kris-kowdley/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 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":{"publications":20}},"sources":{"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"}},"methodology_url":"https://www.findmykol.com/about#methodology"}