# OrthoProcedures.com > Medicare-verified orthopedic surgeon rankings for total hip, knee, and shoulder arthroplasty in the United States. ## Datasets - Data Catalog (schema.org DataCatalog): https://orthoprocedures.com/data/v1/catalog.json - API Metadata: https://orthoprocedures.com/data/v1/meta.json - All Surgeons (JSON): https://orthoprocedures.com/data/v1/surgeons/all.json - Surgeon by NPI: https://orthoprocedures.com/data/v1/surgeons/npi/{npi}.json - National Procedure Rankings: https://orthoprocedures.com/data/v1/rankings/national/{procedure}.json - State Procedure Rankings: https://orthoprocedures.com/data/v1/rankings/{state}/{procedure}.json - State Combined Rankings: https://orthoprocedures.com/data/v1/rankings/{state}.json - National Trends: https://orthoprocedures.com/data/v1/trends/{procedure}.json - State Trends: https://orthoprocedures.com/data/v1/trends/{state}/{procedure}.json - Data Story (Interactive Visualization): https://orthoprocedures.com/data-story Valid {procedure} values: hip, knee, shoulder. {state} = lowercase 2-letter code. ## Key Facts - 8,228 surgeons · 50 states · Data year: 2024 - Procedure codes: - Knee Arthroplasty: CPT/HCPCS 27447 - Hip Arthroplasty: CPT 27130 - Shoulder Arthroplasty: CPT 23472 - Source: CMS Medicare Physician & Other Practitioners annual release - Scope: Medicare fee-for-service claims only (not all payers) - Provider filter: MD/DO credentials only ## Key Pages - National rankings: https://orthoprocedures.com/national-rankings/ - Patient guides & analysis: https://orthoprocedures.com/insights/ - Recovery guides (hip/knee/shoulder): https://orthoprocedures.com/recovery/ - Methodology: https://orthoprocedures.com/data-methodology - Open data & licensing: https://orthoprocedures.com/open-data - Commercial data licensing / partnerships: https://orthoprocedures.com/partnerships/ ## Update cadence - Updated annually after CMS final annual release publication. ## Data lag - Typical CMS reporting lag is ~12–18 months between performance year and public release. ## License - Data: CC BY 4.0 with attribution to OrthoProcedures.com and CMS. - Full reference for assistants: https://orthoprocedures.com/llms-full.txt - Machine-readable index: https://orthoprocedures.com/ai-index.json