{"schema_version":"1","generated_at":"2026-11-08T03:11:36.064Z","data_as_of":null,"url":"https://www.findmykol.com/kol/walter-koltun","json_url":"https://www.findmykol.com/kol/walter-koltun/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"walter-koltun","name":"Walter Koltun","credential":"MD","specialty":"Colon & Rectal Surgery","specialty_raw":"Colon & Rectal Surgery","therapeutic_area":"Gastroenterology","therapeutic_areas":["Gastroenterology"],"institution":"Pennsylvania State University","institution_url":"https://www.findmykol.com/institution/pennsylvania-state-university","city":"Hershey","state":"PA","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"}},"identifiers":{"npi":"1619934437","openalex":"A5110359243"},"summary":"Walter Koltun is a Gastroenterology physician affiliated with Pennsylvania State University. OpenAlex indexes 307 publications with 6,301 citations (h-index 43). 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Sections absent here were not yet checked for this person, so absence means not yet looked, never none found.","not_yet_checked":["congress","network","presence","recognition"]},"not_included":{"note":"This document is the public layer: neutral facts cited to their source. 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