WHITNEY ONSTAD – NPI #1821946963
Psychiatry & Neurology

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Health Care Provider Taxonomy Code for Psychiatry & Neurology

WHITNEY ONSTAD is a psychiatry & neurologist located in KILAUEA, HI. NPPES recently assigned the NPI number 1821946963 to WHITNEY ONSTAD on March 16, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 2084P0800X from the Health Care Provider Taxonomy code set, which is classified as Psychiatry & Neurology, specializing in Psychiatry

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WHITNEY ONSTAD below.

NPI Profile for
WHITNEY ONSTAD

NPI Number
1821946963
Enumeration Date

(about 3 months ago)
Entity Type
Type-1  Individual (Female)
Legal Name
WHITNEY ONSTAD
Primary location
4471 IHOPE RD
KILAUEA, HI 96754-5589
Phone: (808) 346-4717 Fax:
Mailing address
Same as primary location
Sole Proprietor
Yes
Updated
Certification Date
Mar 16, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
2084P0800X
- Psychiatry & Neurology / Psychiatry (Primary)		 HI APRN5776

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.