Here are the main reasons why a legitimate small healthcare office's phone number may show as "Spam Likely", "Spam Risk", or similar - even when making only necessary, low-volume, patient-consented calls (e.g., appointment reminders, results, rescheduling).
Scammers spoof the number - Fraudsters impersonate doctor's offices, clinics, or hospitals (common targets because patients answer trusted healthcare calls), leading to scam reports that taint the real number in carrier databases.
Patients mistakenly report as spam - Patients mark legitimate calls as spam if they don't recognize the number, are busy, screen unknowns, or get frustrated by reminders (especially if multiple systems send overlapping notifications).
Unverified or incomplete caller ID - No branded caller ID registration or full STIR/SHAKEN "A-level" attestation; displayed name shows as "Unknown," mismatched, or generic, raising suspicion.
Poor call engagement patterns - Frequent unanswered calls, short durations (quick hang-ups), or voicemail drops mimic spam behavior, even for normal patient interactions.
New or recycled phone number - Recently assigned numbers (common with new practices or VoIP changes) often inherit bad reputation from previous users or start flagged by default.
VoIP/provider reputation spillover - Using shared/affordable cloud VoIP services where other users' issues affect the number range.
These flags come from carrier algorithms and third-party filters (e.g., Hiya, First Orion) prioritizing fraud prevention over intent. Small practices can reduce issues by registering for branded caller ID, ensuring STIR/SHAKEN compliance via their provider, using dedicated outbound lines, and asking patients to save/add the number to contacts. Please reach out to your phone provider for assistance.