What is Derek Larson's NPI number?

Derek Larson's National Provider Identifier (NPI) is 1376331298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derek Larson's specialty?

Derek Larson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Derek Larson located?

Derek Larson's practice location on file with NPPES is 1356 Lusitana St Fl 4, Honolulu, HI 96813-2409.

What is Derek Larson's phone number?

The practice phone number listed in the NPPES registry for Derek Larson is (808) 691-1000.

Is Derek Larson's NPI active?

Yes — Derek Larson's NPI (1376331298) is active in the NPPES registry as of the last update on 2025-04-29.

IndividualActive

Derek Larson, MD

NPI 1376331298 · Psychiatry Physician · Honolulu, HI

Derek Larson, MD is a Psychiatry Physician provider in Honolulu, HI (NPI 1376331298).

Provider details

NPI number: 1376331298
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MDR-8988 (HI)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense MDR-8988 (HI)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1356 Lusitana St Fl 4

Honolulu, HI 96813-2409

Phone: (808) 691-1000

Street-level locationGet directions

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Mailing address