Errol Hamarat, PH.D.
NPI 1578773735 · Psychologist · Honolulu, HI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Errol Hamarat, PH.D. is a Psychologist provider in Honolulu, HI (NPI 1578773735).
Provider details
- NPI number
- 1578773735
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY-834 (HI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Errol Hamarat's NPI number?
- Errol Hamarat's National Provider Identifier (NPI) is 1578773735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Errol Hamarat's specialty?
- Errol Hamarat is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Errol Hamarat located?
- Errol Hamarat's practice location on file with NPPES is 445 Seaside Ave # 3611, Honolulu, HI 96815-2640.
- What is Errol Hamarat's phone number?
- The practice phone number listed in the NPPES registry for Errol Hamarat is (808) 554-6323.
- Does Errol Hamarat accept Medicare?
- Errol Hamarat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Errol Hamarat's NPI active?
- Yes — Errol Hamarat's NPI (1578773735) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.