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WARREN R. LOOS, PH.D, LLC
NPI 1396908604
Community/Behavioral Health in Honolulu, HI

Active since July 07, 2008
1188 BISHOP ST, SUITE 1208, HONOLULU, HI 96813(808) 734-2897(808) 735-1804 Get Directions Write a Review

NPPES record last updated: September 16, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Warren R. Loos, Ph.d, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WARREN R. LOOS, PH.D, LLC (NPI 1396908604) is a healthcare organization registered as a community/behavioral health in Honolulu, Hawaii and active in the NPI registry since July 2008. The organization lists Warren Ross Loos, President, as its authorized official.

NPPES Registry Identity

NPI1396908604
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameWARREN R. LOOS, PH.D, LLC
Location Address1188 BISHOP ST, SUITE 1208Honolulu, HI 96813-3301
Mailing Address1188 Bishop St, Suite 1208Honolulu, HI 96813-3301 · (808) 734-2897 · Fax (808) 735-1804
Phone(808) 734-2897
Fax(808) 735-1804
Organization SubpartNo
Authorized OfficialWarren Ross LoosPresident · (808) 734-2897
Enumeration DateJuly 7, 2008
Last NPPES UpdateSeptember 16, 2008
✔ NPI 1396908604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in HI · PSY-792
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
1188 BISHOP ST, Honolulu, HI 96813
Open in Google Maps ↗

Other Identifiers 1

Medicare PINH55992HI

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Warren R. Loos, Ph.d, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Warren R. Loos, Ph.D, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Warren Loos, PH.D.
Clinical Psychologist
NPI 1548360167
4300 WAIALAE AVE APT B1002
Honolulu, HI 96816
(808) 284-2200
✔ PECOS✔ Accepts Medicare5.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Warren R. Loos, Ph.D, LLC's NPI number?

The NPI number for Warren R. Loos, Ph.D, LLC is 1396908604. It was assigned to this organization in the NPPES registry on July 7, 2008.

Where is Warren R. Loos, Ph.D, LLC located?

Warren R. Loos, Ph.D, LLC is located at 1188 Bishop St Suite 1208, Honolulu, HI 96813. The listed phone number is (808) 734-2897.

What is Warren R. Loos, Ph.D, LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Warren R. Loos, Ph.D, LLC enrolled in Medicare?

Yes. Warren R. Loos, Ph.D, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Warren R. Loos, Ph.D, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Warren R. Loos, Ph.D, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Warren R. Loos, Ph.D, LLC was last updated on September 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.