Frederick Ruymann works as a doctor in Cambridge. Practices under license number 71422, 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 Frederick Ruymann 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 Frederick Ruymann and want to edit this profile yourself, you can claim it for free at the bottom of the page.
Frederick Ruymann — registro NPI #1568466316. Datos públicos NPPES (CMS).