Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Winnie Au, M.D.

Diagnostic Radiology Physician in New York, NY · enumerated 2006.

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

National Provider Identifier

1114977998

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Registry record

Entity type Individual (Type 1)

Name Dr. Winnie Au

Credential M.D.

Sex Female

Practice address 630 W 168th St, Mc28, New York, NY, 10032

Phone (212) 305-1948

Fax (212) 305-5777

Enumeration date May 11, 2006

Last updated in NPPES Jan 7, 2008

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 226923 (NY) 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
W35021	Other	NY	MEDICARE GROUP#
02780138	Medicaid	NY	-
1107003	Other	NY	MEDICAID GROUP#
1114977998	Other	NY	PROVIDER NPI#
1467560854	Other	NY	MEDICARE GROUP NPI

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Winnie Au?

Winnie Au 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.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-07.