{"schema_version":"1","generated_at":"2026-11-01T18:55:48.626Z","data_as_of":null,"url":"https://www.findmykol.com/kol/john-hammerstad","json_url":"https://www.findmykol.com/kol/john-hammerstad/profile.json","record_kind":"basic","profile_kind":"clinical","person":{"slug":"john-hammerstad","name":"John Hammerstad","credential":"MD","specialty":"Neurology","specialty_raw":"Neurology","therapeutic_area":"Neurology","therapeutic_areas":["Neurology"],"institution":"Oregon Health & Science University","institution_url":"https://www.findmykol.com/institution/oregon-health-science-university","city":"Portland","state":"OR","region":{"label":"West","url":"https://www.findmykol.com/region/west"}},"identifiers":{"npi":"1174692446","openalex":"A5009415772"},"summary":"John Hammerstad is a Neurology physician affiliated with Oregon Health & Science University. 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