Our Physicians
Meet the physicians of MidPacific Hospitalists

Crystal D. Hammer, MD
MPH President
Education & Training
- MD, Oregon Health & Science University (OHSU), 2012
- Combined Internal Medicine & Emergency Medicine Residency, Allegheny General Hospital, Pittsburgh
- Certificate of Knowledge in Clinical Tropical Medicine and Travelers’ Health (Gorgas Course)
Board Certifications: Emergency Medicine, Internal Medicine
Background: Joined HEPA and MPH in 2017. Dual-practices as both emergency physician and hospitalist. Holds administrative roles at Queen’s North Hawai’i Community Hospital.
James Madison, DO
Chief Medical Officer, QNHCH
Education & Training
- DO, Kansas City University College of Osteopathic Medicine, 2001
- Internal Medicine Residency, University of Hawai’i, 2001-2004
- Nephrology Fellowship, UC Davis School of Medicine, 2005-2006
Board Certifications: Internal Medicine, Nephrology
Professional Affiliations: Fellow, American Society of Nephrology; Fellow, American College of Physicians
Roles: Chief Medical Officer at QNHCH, Executive Medical Director of MidPacific Hospitalists, Hospitalist Medical Director at QNHCH
James Finney, MD
Education & Training
- BA, Cognitive Science, Dartmouth College
- Post-baccalaureate pre-med, Harvard University
- MD, Tufts University School of Medicine, 2020
- Residency, Family Medicine, Hawaii Island Family Medicine Residency (Hilo Medical Center), 2020-2023
Board Certification: Family Medicine (ABFM)
Background: Grew up in rural New England working in engineering, politics, and business. Traveled to Nepal where he witnessed healthcare disparities, inspiring him to pursue medicine. Worked at a clinic in Belize before medical school.
Interested in joining our team?