Roger Chang works as a doctor in Orange. Practices under license number A81984, 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 Roger 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 Roger Chang and want to edit this profile yourself, you can claim it for free at the bottom of the page.
Roger Chang — registro NPI #1730158239. Datos públicos NPPES (CMS).