{"npi":"1144625351","type":"NPI-1","status":"active","name":{"display":"Dr. Dmitriy Treyster MD, PA-C, Mpas","other":[],"first":"DMITRIY","last":"TREYSTER","credential":"MD, PA-C, MPAS"},"specialty":{"primary_taxonomy":"207L00000X","primary_taxonomy_description":"Anesthesiology","slug":"anesthesiology","schema_org_specialty":"Anesthesia","all":[{"code":"207L00000X","description":"Anesthesiology","primary":true,"state":"WV","license":"31839"}]},"addresses":[{"purpose":"LOCATION","street_1":"ANESTHESIOLOGY - WALTER REED NATIONAL MMC","city":"BETHESDA","state":"MD","postal_code":"20889","country_code":"US","street_2":"8901 WISCONSIN AVENUE","phone":"8609661272"},{"purpose":"MAILING","street_1":"8901 WISCONSIN AVE","city":"BETHESDA","state":"MD","postal_code":"208890006","country_code":"US","phone":"3012953000"}],"license":{"state":"WV","number":"31839"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20251028002799","type_code":"33-05","type_desc":"ORDER AND REFERRING ONLY - ANESTHESIOLOGY","state":"WV","pac_id":"8527557883"}]},"enumeration_date":"2014-10-30","last_updated":"2025-07-16","_meta":{"source":"NPPES","snapshot_date":"2025-07-16","doc_url":"https://findmynpi.com/api"}}