<a href="https://natalura.com/philadelphia/caleb-kallen-m-d-phd/" title="Caleb Kallen, M.D, PhD — Fertility Clinics in Philadelphia"><img src="https://natalura.com/philadelphia/caleb-kallen-m-d-phd/badge.svg" alt="Caleb Kallen, M.D, PhD — Fertility Clinics in Philadelphia" width="300" height="84"></a>

Paste it into your website — most site builders (Wix, Squarespace, WordPress) have an "embed code" or "custom HTML" block. The footer is a good spot.