John Chang works as a doctor in Lawrence. Practices under license number 56184, cross-checked against public registries. Prolio refreshes this listing weekly so the public information stays current and you're not reading a page Google forgot about years ago. You can contact John Chang directly from this page — we don't take a commission, we don't resell the lead, and we don't sit between you and the professional. If you're John Chang and want to edit this profile yourself, you can claim it for free at the bottom of the page.
John Chang — registro NPI #1679557326. Datos públicos NPPES (CMS).