Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erin Carlos, BSN RN IBCLC

Lactation Consultant (Registered Nurse) in Pittsfield, MA · enumerated 2021.

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

National Provider Identifier

1255916946

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Registry record

Entity type Individual (Type 1)

Name Erin Carlos

Credential BSN RN IBCLC

Sex Female

Practice address 725 North Street, Pittsfield, MA, 01201

Phone (413) 447-2114

Fax (413) 447-2612

Enumeration date Mar 14, 2021

Last updated in NPPES Mar 14, 2021

Taxonomy & licenses

163WL0100X Lactation Consultant (Registered Nurse) Nursing Service Providers · License 026.0039982 (VT) Secondary

163WL0100X Lactation Consultant (Registered Nurse) Nursing Service Providers · License RN279545 (MA) Primary

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

How do I verify Erin Carlos's NPI record?

Cross-check NPI 1255916946 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1255916946 active?

Yes, as of the latest NPPES snapshot, NPI 1255916946 is active (record last updated 2021-03-14).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-14.