Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Patrick Kee Chau, M.D.

Child & Adolescent Psychiatry Physician in Sioux City, IA · enumerated 2006 · practices at Rodney J Dean MD, PC.

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

National Provider Identifier

1992766299

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Registry record

Entity type Individual (Type 1)

Name Dr. Patrick Kee Chau

Credential M.D.

Sex Male

Practice address 3549 Southern Hills Dr, Sioux City, IA, 51106

Phone (712) 274-6729

Fax (712) 274-6744

Enumeration date Mar 28, 2006

Last updated in NPPES Sep 12, 2024

Taxonomy & licenses

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License MD00030085 (WA) 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
36160	Other	NE	NE LICENSE
0158208	Other	WA	DEPT OF L & I
MD-47041	Other	IA	IA LICENSE
1992766299	Other	-	NPI
1084862	Medicaid	WA	-

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 Patrick Chau?

Patrick Chau is registered in NPPES with the primary taxonomy of Child & Adolescent Psychiatry 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 2024-09-12.