Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sen-Sen Wu, DMD

General Practice Dentistry in Holyoke, MA · enumerated 2006.

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

National Provider Identifier

1326078734

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Registry record

Entity type Individual (Type 1)

Name Dr. Sen-Sen Wu

Credential DMD

Sex Male

Practice address 50 Holyoke St, Holyoke, MA, 01041

Phone (413) 538-7400

Enumeration date Jul 3, 2006

Last updated in NPPES Feb 25, 2012

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 17650 (MA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier	Type	State	Issuer
0272876	Medicaid	MA	-

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 Sen-Sen Wu?

Sen-Sen Wu is registered in NPPES with the primary taxonomy of General Practice Dentistry. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-25.