SourceScore
Comparison

Mayo Clinic vs U.S. National Institutes of Health

Commercial physician-reviewed health info vs US government primary medical authority — different sourcing tiers.

Health

Mayo Clinic

mayoclinic.org
A·87

US tier-1 medical center with comprehensive physician-reviewed patient-information site.

Higher Index
Government

U.S. National Institutes of Health

nih.gov
A+·95

U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.

Compare on a single dimension

Head-to-head — all four dimensions

DimensionMayo ClinicU.S. National Institutes of HealthLead
SourceScore Index
Composite
A·87A+·95U.S.+8
Citation Discipline
How rigorously cited
A·88A+·95U.S.+7
Modern Reference
AI-era fitness
A·85A·94U.S.+9
Citation Velocity
Cited per week
A·88A+·96U.S.+8

Why these scores

Citation Discipline

Mayo ClinicA·88

Physician-reviewed patient information; review dates visible; HONcode certified.

U.S. National Institutes of HealthA+·95

Federally-funded research subject to grant + ethics oversight; ClinicalTrials.gov registration required for human studies.

Modern Reference

Mayo ClinicA·85

Schema.org MedicalCondition + MedicalProcedure markup; open access; structured.

U.S. National Institutes of HealthA·94

Operates PubMed + NCBI + ClinicalTrials.gov; APIs + bulk data + structured XML throughout.

Citation Velocity

Mayo ClinicA·88

Default health-information citation in AI-engine queries; heavy media + clinician cross-cite.

U.S. National Institutes of HealthA+·96

Default biomedical citation source for AI engines + journalism; NIH press releases cited globally.

Other comparisons