Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ronald Frederick Schaefer, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1679641278

Dr. Ronald Frederick Schaefer, MD is a Critical Care Medicine (Internal Medicine) Physician in Honolulu, Hawaii. Licensed in Hawaii. Registered with an NPI since 2006.

Licensed in
HI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

888 S King St
Honolulu, HI 96813-3009
Phone: (808) 722-6314
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 5871 (HI)

Record details

NPI number1679641278
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address688 Kalanipuu St, Honolulu, HI 96825-2421

Other providers in Honolulu