NPPES file of Aug 9, 2026

James Mitchell Day, M.D.

Internal Medicine Physician · Pearl Harbor, HI

James Mitchell Day, M.D. is an internal medicine physician with a practice address in Pearl Harbor, Hawaii, and NPI 1558892059, issued on Mar 26, 2017. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558892059
Name
James Mitchell Day
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
01081159A IN
MC-390 GU
MD-P-2023-004 GU
Self-reported in NPPES; status is on the state search
Practice location
480 Central Ave, Pearl Harbor, HI 96860
Phone
(812) 319-2771
Enumerated
Mar 26, 2017
Record last updated
May 12, 2026
Medicare enrollment
Enrolled (PECOS I20231002001964); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →

Also registered at 480 Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Glory Acidera, RNCase Manager/Care Coordinator1598511768
  2. Charlotte AhlheimRegistered Nurse1780174037
  3. Sue Alden-Rudin, RNRegistered Nurse1144841842
  4. Stefanie AllanAudiologist1194242057
  5. Rene Alova, D.M.D.Dentist1386620920
  6. Manuel Arcangel, IDCIndependent Duty Corpsman1861469231

Verify James Mitchell Day in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Guam Healthcare Development IncorporatedDededo, GU

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Mitchell Day among 902 internal medicine physician records in Hawaii

James Mitchell Day, M.D. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 76% of them.

  • NPI issued2017 · 76% of these records are older, 23% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2017 · median 2001 among the 491 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 internal medicine physician records list a practice address in Pearl Harbor

They are 4 of the 372 NPPES records with a practice address in Pearl Harbor, and 902 internal medicine physician records in Hawaii.

All 902 in Hawaii → Every provider in Pearl Harbor → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cristina Breckenridge, D.O.Honolulu, HI 968601780925677
  2. Typhanie Kinder, M.D.Pearl Harbor, HI 968601457349698
  3. Arlene KoizumiPearl Harbor, HI 968601164411138
  4. Orlando Urbano Farje, MDJbphh, HI 968601548910037
  5. Jessica Zimmerman, MDPearl Harbor, HI 968601154866887
  6. Sumi Akter, MDTripler Army Medical Center, HI 968591154107415
  7. Hiba Al Dulaimi, MDTripler Army Medical Center, HI 968591255171955
  8. William Bowers, MDTripler Army Medical Center, HI 968591619768033

Common questions

What is James Mitchell Day, M.D.'s NPI number?

James Mitchell Day, M.D.'s National Provider Identifier (NPI) is 1558892059, issued on Mar 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is James Mitchell Day, M.D. located?

The NPPES record lists a practice address at 480 Central Ave, Pearl Harbor, HI, 96860. Phone: (812) 319-2771. Providers update this record themselves, so call before visiting.

How can I verify James Mitchell Day, M.D.'s license?

Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.