Dr. Warren Ross Loos
PH.D. | Clinical Psychologist | 37+ years Exp
4300 Waialae Ave Apt B1002, Honolulu
Hawaii, 96816-5757
808-284-2200 888-668-8527
Maps & DirectionsDr. Warren Ross Loos is a Honolulu, Hawaii based psychologist with 37 years of experience in Clinical Psychology. He completed his graduation in 1988. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Warren Ross Loos is PSY-792 for Clinical Psychology in Hawaii. His current practice location is 4300 Waialae Ave Apt B1002, Honolulu. Patients can reach him at 808-284-2200 or can fax him at 888-668-8527. Dr. Warren Ross Loos is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1548360167.
Dr. Warren Ross Loos is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. Warren Ross Loos speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Warren Ross Loos |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Experience: | 37+ years |
| Medical School Attended: | Other |
| Graduation Year: | 1988 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 4300 Waialae Ave Apt B1002, Honolulu,
Hawaii, 96816-5757 |
| Phone: | 808-284-2200 |
| Fax: | 888-668-8527 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4981507720 |
| Enrollment ID: | I20040217000950 |
| NPI Number: | 1548360167 |
| NPI Enumeration Date: | 24 Sep, 2006 |
| NPI Last Update On: | 26 Jul, 2022 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Warren Ross Loos are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY-792 | Clinical Psychology | Hawaii | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Warren Ross Loos such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 232967 | Other | Hawaii | HMSA |
| 54463601 | Medicaid | Hawaii | |
| 203822633 | Other | Hawaii | TRICARE |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Warren Ross Loos
4348 Waialae Ave # 403,
Honolulu, Hawaii |
| Zip: | 96816-5767 |
| Phone Number: | 808-284-2200 |
| Fax Number: | 888-668-8527 |
Patients can reach Dr. Warren Ross Loos at
4300 Waialae Ave Apt B1002, Honolulu, Hawaii or can
call to book an appointment on 808-284-2200.
Comments/ Reviews:
Read all the reviews posted for Dr. Warren Ross Loos below. You may also share your own experience with Dr. Warren Ross Loos. Your feedback can help others make better decisions.
**
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.