Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yi-Ping Joseph Woo, MD

Q: What is the NPI number for Yi-Ping Woo?

The National Provider Identifier (NPI) for Yi-Ping Woo is 1043240120, a Type 1 (individual) record in the CMS NPPES registry.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Palo Alto, CA · enumerated 2006.

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

National Provider Identifier

1043240120

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Registry record

Entity type Individual (Type 1)

Name Yi-Ping Joseph Woo

Credential MD

Sex Male

Practice address 300 Pasteur Dr, Palo Alto, CA, 94305

Phone (650) 825-3828

Enumeration date Jul 4, 2006

Last updated in NPPES Jan 16, 2014

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License MD055054L (PA) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License G128440 (CA) 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
0018761230003	Medicaid	PA	-

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

What is the NPI number for Yi-Ping Woo?

The National Provider Identifier (NPI) for Yi-Ping Woo is 1043240120, a Type 1 (individual) record in the CMS NPPES registry.

Where does Yi-Ping Woo practice?

The practice location on file with NPPES is in Palo Alto, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-16.