Douglas Ostman, M.D.
NPI 1023280559 · Emergency Medicine Physician · Honolulu, HI
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Ostman, M.D. is a Emergency Medicine Physician provider in Honolulu, HI (NPI 1023280559).
Provider details
- NPI number
- 1023280559
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD 2164 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs 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
Mailing address
Registry dates
- Enumerated
- 2008-03-25
- Last updated
- 2008-03-25
Frequently asked questions
- What is Douglas Ostman's NPI number?
- Douglas Ostman's National Provider Identifier (NPI) is 1023280559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Ostman's specialty?
- Douglas Ostman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Ostman located?
- Douglas Ostman's practice location on file with NPPES is 3196 Diamond Head Rd, Honolulu, HI 96815-4720.
- What is Douglas Ostman's phone number?
- The practice phone number listed in the NPPES registry for Douglas Ostman is (808) 923-9009.
- Does Douglas Ostman accept Medicare?
- Douglas Ostman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Ostman's NPI active?
- Yes — Douglas Ostman's NPI (1023280559) is active in the NPPES registry as of the last update on 2008-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.