James Mitchell Day, M.D.
Internal Medicine · Pearl Harbor, HI
At a glance
480 Central Ave, Pearl Harbor, HI 96860-4908
NPPES record updated May 12, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
480 Central AvePearl Harbor, HI 96860-4908
Additional reported practice locations
U.s. Naval Hospital GuamFarenholt Ave, Bldg 50
Agana Heights, GUAM 96910
UM
Phone: 6713449340
Fax: 6713449441
Education & affiliations
- Medical / professional school
- Loyola University Of Chicago, Stritch School Of Medicine
- Graduation year
- 2017
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- Adventist Health Castle Kailua, HI
- Guam Regional Medical City Dededo, GU
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Mar 26, 2017
- Record updated
- May 12, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
208M00000X
License reported: MD-P-2023-004 GU
207R00000X · Primary
License reported: 01081159A IN
208M00000X
License reported: MC-390 GU
171000000X
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
480 Central AvePearl Harbor, HI 96860-4908
- Phone
- (812) 319-2771
Mailing address
480 CENTRAL AVEJBPHH, HI 968604908
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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