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

James Mitchell Day, MD

Individual provider Hospitalist Physician · NPI 1558892059

James Mitchell Day, MD is an Internal Medicine in Pearl Harbor, Hawaii. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2017, 9 years ago. Practices with Guam Healthcare Development Incorporated, a 209-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Guam and Indiana.

Years since qualifying
9
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
GU, IN
In the registry since
2017
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

480 Central Ave
Pearl Harbor, HI 96860-4908
Phone: (812) 319-2771
Show map & directions

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

Additional practice locations (1)

  • U.S. Naval Hospital Guam, Agana Heights, 96910 — (671) 344-9340

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01081159A (IN)
Hospitalist Physician Taxonomy 208M00000X · Licence MD-P-2023-004 (GU)
Hospitalist Physician Taxonomy 208M00000X · Licence MC-390 (GU)
Military Health Care Provider Taxonomy 171000000X

Record details

NPI number1558892059
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2017
Last updated in NPPESMay 12, 2026
Certification dateMay 12, 2026
Mailing address480 Central Ave, Jbphh, HI 96860-4908

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Guam Healthcare Development Incorporated — 209 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount