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DR. RONALD FREDERICK SCHAEFER MD
NPI 1679641278
Internal Medicine - Critical Care Medicine in Honolulu, HI

Active since December 01, 2006
888 S KING ST, HONOLULU, HI 96813(808) 722-6314 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Frederick Schaefer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD FREDERICK SCHAEFER MD (NPI 1679641278) is an individual critical care medicine provider in Honolulu, Hawaii, licensed in Hawaii (5871) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1679641278
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. RONALD FREDERICK SCHAEFERCredential: MD
Location Address888 S KING STHonolulu, HI 96813-3009
Mailing Address688 Kalanipuu StHonolulu, HI 96825-2421 · (808) 393-2493
Phone(808) 722-6314
Sole ProprietorNo
Enumeration DateDecember 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679641278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in HI · 5871
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
888 S KING ST, Honolulu, HI 96813
Open in Google Maps ↗

Other Identifiers 1

Medicare UPIND36230HI

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. SYLVIA Y. TERADA NP
Nurse Practitioner
888 S KING ST, DERMATOLOGY DEPARTMENT
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. JOSEPH R. VIERRA M.D.
Internal Medicine (Critical Care Medicine)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. BEAU K. NAKAMOTO M.D.
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. JAY L. GREKIN M.D.
Dermatology
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. TIMOTHY CHRISTOPHER LAEGER M.D.
Emergency Medicine
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3714
SCOTT T YOKOTA
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3496
JESSICA GREEN
Surgery (Vascular Surgery)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4469
TAMMY YAGUCHI MPT
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4602

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Schaefer's NPI number?

The NPI number for Ronald Schaefer is 1679641278. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Ronald Schaefer located?

Ronald Schaefer practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 722-6314.

What is Ronald Schaefer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

When was this NPI record last updated?

The NPPES record for Ronald Schaefer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.