Internal Medicine
DEREK ILLASTRON MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1790949956 · enumerated 2008-07-16 · record updated 2019-03-19. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 110 E KAAHUMANU AVE, KAHULUI, HI, 96732-2118 (808) 242-6464 Fax (808) 243-2367 Google Maps Apple Maps OpenStreetMap
- Mailing address 2180 MAIN ST, WAILUKU, HI, 96793-1625 (808) 242-6464 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 235414 MA
- Internal Medicine 207R00000X · Primary · License MD-18353 HI
In this directory
Locations and evidence
-
Practice location
KAHULUI, HI, 967322118
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.