Warren Loos, PH.D.
NPI 1548360167 · Clinical Psychologist · Honolulu, HI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Loos, PH.D. is a Clinical Psychologist provider in Honolulu, HI (NPI 1548360167).
Provider details
- NPI number
- 1548360167
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY-792 (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
- 2006-09-24
- Last updated
- 2022-07-26
- Certified
- 2022-07-26
Frequently asked questions
- What is Warren Loos's NPI number?
- Warren Loos's National Provider Identifier (NPI) is 1548360167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Loos's specialty?
- Warren Loos is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Warren Loos located?
- Warren Loos's practice location on file with NPPES is 4300 Waialae Ave Apt B1002, Honolulu, HI 96816-5757.
- What is Warren Loos's phone number?
- The practice phone number listed in the NPPES registry for Warren Loos is (808) 284-2200.
- Does Warren Loos accept Medicare?
- Warren Loos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Loos's NPI active?
- Yes — Warren Loos's NPI (1548360167) is active in the NPPES registry as of the last update on 2022-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.