{"npi":"1366173296","type":"NPI-1","status":"active","name":{"display":"Dr. Greg Zhang MD, Ms","other":[],"first":"GREG","last":"ZHANG","middle":"WINSTON","credential":"MD, MS"},"specialty":{"primary_taxonomy":"2083P0011X","primary_taxonomy_description":"Undersea and Hyperbaric Medicine (Preventive Medicine) Physician","slug":"undersea-and-hyperbaric-medicine-preventive-medicine-physician","schema_org_specialty":null,"all":[{"code":"2083P0011X","description":"Undersea and Hyperbaric Medicine (Preventive Medicine) Physician","primary":true,"state":"TX","license":"V8086"},{"code":"390200000X","description":"Student in an Organized Health Care Education/Training Program","primary":false,"state":null,"license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"4616 N HWY 75","city":"DENISON","state":"TX","postal_code":"75020","country_code":"US","street_2":"SUITE 190","phone":"9036986015"},{"purpose":"MAILING","street_1":"4616 N. HIGHWAY 75, STE 190","city":"DENISON","state":"TX","postal_code":"75020","country_code":"US","phone":"9036986015","fax":"9037086488"}],"license":{"state":"TX","number":"V8086"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20250919002717","type_code":"14-01","type_desc":"PRACTITIONER - GENERAL PRACTICE","state":"TX","pac_id":"2668976879"}]},"enumeration_date":"2022-06-21","last_updated":"2026-02-12","_meta":{"source":"NPPES","snapshot_date":"2026-02-12","doc_url":"https://findmynpi.com/api"}}