PatientsLikeMe is a company within the Healthcare Technology category. PatientsLikeMe is a health-information sharing website and online patient community that enables users to share their experiences with diseases, symptoms, and treatments. It provides a platform for patient-to-patient support and uses aggregated data to advance medical research and drug development.
PatientsLikeMe was founded in 2004 and is headquartered in Boston, MA.
PatientsLikeMe is rated Leader on the Optimly Brand Authority Index, a measure of how well AI models can accurately describe the brand. The exact score is locked for unclaimed profiles.
AI narrative accuracy for PatientsLikeMe is Moderate. Significant factual deltas detected. Inconsistent representation across models.
AI models classify PatientsLikeMe as a Phantom. Invisible to AI.
PatientsLikeMe appeared in 4 of 6 sampled buyer-intent queries (67%). The brand dominates its specific brand-name queries but is often eclipsed by larger medical portals (Mayo Clinic, WebMD) or niche condition-specific forums in broader health queries.
AI reliably categorizes the brand as a pioneer in patient-driven data sharing. While it excels at describing the platform's utility for patients, it often struggles with the specifics of the company's current corporate structure and data monetization policies following its 2019 acquisition. Key gap: The biggest gap is the lack of clarity regarding current ownership and business model (B2B vs B2C focus) since its acquisition and subsequent transitions.
Of 5 key facts verified about PatientsLikeMe, 3 are well-documented (likely accurate across AI models), 2 have limited sourcing, and 0 are retrieval-dependent and may be inaccurate without live search.
The most likely error is an outdated assessment of its business model, specifically regarding how patient data is shared with pharmaceutical companies today.
Buyers turn to PatientsLikeMe for General Forums/Reddit: Searching for specific medical conditions on general health forums or Reddit communities., Manual Symptom Tracking: Using a physical journal or spreadsheet to log symptoms, meds, and mood changes independently., among 2 documented problem areas.
Buyers evaluating PatientsLikeMe typically ask AI models about "share health data with other patients", "track chronic illness symptoms platform", "patient reported outcomes database", and 3 similar queries.
PatientsLikeMe's core products are Health condition communities, health tracking tools, patient data insights..
PatientsLikeMe uses Free (for patients) / Enterprise (for research partners).
PatientsLikeMe serves Patients with chronic/rare conditions, pharmaceutical researchers, healthcare providers..
PatientsLikeMe Being the original and most comprehensive quantitative patient-led tracking network rather than just a discussion forum.
Brand Authority Index (BAI) tier: Leader (exact score locked for unclaimed brands)
Archetype: Phantom
https://optimly.ai/brand/patientslikeme
Last analyzed: May 11, 2026
Founded: 2004
Headquarters: Boston, MA