Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Thomas Kevin Walsh, RN

Q: What is the NPI number for Thomas Walsh?

The National Provider Identifier (NPI) for Thomas Walsh is 1427209303, a Type 1 (individual) record in the CMS NPPES registry.

Registered Nurse in Chelsea, MA · enumerated 2008.

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

National Provider Identifier

1427209303

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Registry record

Entity type Individual (Type 1)

Name Mr. Thomas Kevin Walsh

Credential RN

Sex Male

Practice address Chelsea, MA, 02150

Phone (617) 488-5712

Enumeration date Oct 9, 2008

Last updated in NPPES Oct 9, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 206040 (MA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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

Where does Thomas Walsh practice?

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

What is the NPI number for Thomas Walsh?

The National Provider Identifier (NPI) for Thomas Walsh is 1427209303, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-09.