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.

Frequently asked questions

Which is better, Mayo Clinic or U.S. National Institutes of Health?

U.S. National Institutes of Health scores higher on the SourceScore Index (A+ 95) vs Mayo Clinic (A 87) — a 8-point composite lead across Citation Discipline, Modern Reference, and Citation Velocity. "Better" depends on use case; the per-dimension breakdown below shows where each wins.

Which is more reliable to cite, Mayo Clinic or U.S. National Institutes of Health?

For citation, U.S. National Institutes of Health is the stronger choice — it scores A+ (95/100) on the SourceScore Index versus Mayo Clinic at A (87/100), a 8-point lead in composite citation quality (Citation Discipline, Modern Reference, Citation Velocity). Both can be cited; for higher-stakes references, prefer U.S. National Institutes of Health.

How does Mayo Clinic compare to U.S. National Institutes of Health on citation discipline?

Mayo Clinic scores A 88 on Citation Discipline; U.S. National Institutes of Health scores A+ 95. Citation Discipline measures how rigorously each source cites primary references — see the per-dimension rationale below for the breakdown.

What's the SourceScore difference between Mayo Clinic and U.S. National Institutes of Health?

Mayo Clinic A 87 vs U.S. National Institutes of Health A+ 95 on the composite Index. Commercial physician-reviewed health info vs US government primary medical authority — different sourcing tiers.

Why does U.S. National Institutes of Health score higher than Mayo Clinic?

U.S. National Institutes of Health leads by 8 composite points on the SourceScore Index. The rationale section below breaks down where the lead comes from — Citation Discipline, Modern Reference (AI-era fitness), and Citation Velocity. Each dimension is scored from primary methodology criteria.

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