Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Barbara E. Lis, R.N.

Q: What is the NPI number for Barbara Lis?

The National Provider Identifier (NPI) for Barbara Lis is 1639369747, a Type 1 (individual) record in the CMS NPPES registry.

Registered Nurse in Holyoke, MA · enumerated 2007.

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

National Provider Identifier

1639369747

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Registry record

Entity type Individual (Type 1)

Name Barbara E. Lis

Credential R.N.

Sex Female

Practice address 1727 Northampton St, Holyoke, MA, 01040

Phone (413) 532-0926

Fax (413) 532-0928

Enumeration date Jul 26, 2007

Last updated in NPPES Jul 26, 2007

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 97170 (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 Barbara Lis practice?

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

What is the NPI number for Barbara Lis?

The National Provider Identifier (NPI) for Barbara Lis is 1639369747, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-26.