The referral-only era for cardiologists is fading. Patients who receive a referral now routinely Google the recommended cardiologist before confirming the appointment — and they frequently switch providers based on what they find. Meanwhile, a growing share of cardiac patients are searching for specialists directly, without any referral at all. If your practice is not visible in local search results, you are invisible to the majority of patients who are actively looking for cardiac care right now. Here is everything your practice needs to know about SEO in 2026.