Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Don L Halouska, M.D.

Diagnostic Radiology Physician in Wailuku, HI · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558348359

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Registry record

Entity type Individual (Type 1)

Name Dr. Don L Halouska

Credential M.D.

Sex Male

Practice address 2180 Main St, Wailuku, HI, 96793

Phone (808) 242-6464

Fax (808) 242-4210

Enumeration date Dec 22, 2005

Last updated in NPPES Sep 9, 2010

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 19634 (CO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
8493017	Medicaid	WA	-
200418170A	Medicaid	KS	-
922600	Medicaid	AZ	-
300064740	Other	CO	RR MCRE RIA
01196344	Medicaid	CO	-
104693065	Medicaid	MI	-
1558348359	Medicaid	UT	-
300064090	Other	CO	RR MCRE MIC
01121668	Medicaid	NY	-
0597948	Medicaid	IA	-
117233600	Medicaid	WY	-
300090374	Other	CO	RR MCRE DIA
XPY204749	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Don Halouska?

Don Halouska is registered in NPPES with the primary taxonomy of Diagnostic Radiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-09.