The Longevity Registry

PeakMD Health

615 N. Arrow Leaf Trail · Sisters, OR 97759

LISTED

This practice has not paid for its inclusion. Details were compiled from public sources and have not been independently verified.

PeakMD Health is a physician-led longevity and precision medicine clinic in Sisters, Oregon, founded by Dr. Siobhan Gray, MD. The practice pairs advanced diagnostics with deeply personalized care to help patients extend not just their lifespan but their healthspan — the years lived in genuine strength, clarity, and purpose. Dr. Gray brings an unusual combination of board certifications in Emergency Medicine and Obesi

One of 1 longevity practices on file in Sisters, Oregon. Focus areas include Advanced Blood Biomarkers, CGM / Metabolic Diagnostics, Cognition & Brain Health. Credentials on file: Emergency / Critical Care Medicine.

Focus areas

Services

  • VO₂ Max and Metabolic Testing (PNOÉ Technology)
  • Advanced Longevity Biomarkers
  • PeakMD Rebuild Pathways
  • Menopause and Hormone Care
  • Weight Loss and Obesity Medicine
  • Longevity and Stewardship Memberships
  • One-Time Precision Consultation

Credentials

  • Emergency / Critical Care Medicine

Physicians

  • Siobhan Gray

Contact

Pricing published by the practice

$149/month

Source: FindLongevityMD · Data as of September 6, 2026

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