Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katherine Entwistle, BCBA
Behavior Analyst in Nashua, NH · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871029553
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Registry record
Entity type Individual (Type 1)
Name Katherine Entwistle
Credential BCBA
Sex Female
Practice address 102 Perimeter Rd, Nashua, NH, 03063
Phone (800) 778-5560
Enumeration date May 2, 2017
Last updated in NPPES Aug 26, 2025
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 4146 (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.
Frequently asked questions
Is NPI 1871029553 active?
Yes, as of the latest NPPES snapshot, NPI 1871029553 is active (record last updated 2025-08-26).
How do I verify Katherine Entwistle's NPI record?
Cross-check NPI 1871029553 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Laura Mogavero Behavior Analyst · Nashua, NH NPI 1063826600 Haley Baptist Behavior Technician · Nashua, NH NPI 1508213422 Tiffany Cherry Behavior Technician · Nashua, NH NPI 1346690351 Brittany Lagerberg Behavior Analyst · Nashua, NH NPI 1962083154 Ashley Boston Behavior Analyst · Nashua, NH NPI 1942969241 Kelsey Mckechnie Speech-Language Pathologist · Nashua, NH NPI 1164119947 Andrew Brodeur Behavior Analyst · Nashua, NH NPI 1154009561 Laurie Nolan Behavior Technician · Nashua, NH NPI 1881374577
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-26.