Samuel Alexander, DO
NPI 1255969036 · Psychiatry Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Other (physician) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Alexander, DO is a Psychiatry Physician provider in Honolulu, HI (NPI 1255969036).
Provider details
- NPI number
- 1255969036
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DOS-2561 (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
6 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
- 2020-03-29
- Last updated
- 2025-03-07
- Certified
- 2025-03-07
Frequently asked questions
- What is Samuel Alexander's NPI number?
- Samuel Alexander's National Provider Identifier (NPI) is 1255969036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Alexander's specialty?
- Samuel Alexander is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Alexander located?
- Samuel Alexander's practice location on file with NPPES is 120 Kaiulani Ave Ste Kw12, Honolulu, HI 96815-6203.
- What is Samuel Alexander's phone number?
- The practice phone number listed in the NPPES registry for Samuel Alexander is (808) 378-3665.
- Does Samuel Alexander accept Medicare?
- Samuel Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Alexander's NPI active?
- Yes — Samuel Alexander's NPI (1255969036) is active in the NPPES registry as of the last update on 2025-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.