Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caroline Gretchen Fidler, RBT

Behavior Technician in Altoona, IA · enumerated 2021.

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

National Provider Identifier

1649943416

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Registry record

Entity type Individual (Type 1)

Name Caroline Gretchen Fidler

Credential RBT

Sex Female

Practice address 1625 Adventureland Dr Ste B, Altoona, IA, 50009

Phone (515) 957-3347

Enumeration date Jul 28, 2021

Last updated in NPPES Jul 28, 2021

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-21-177248 (IA) 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.

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Frequently asked questions

What specialty is Caroline Fidler?

Caroline Fidler is registered in NPPES with the primary taxonomy of Behavior Technician. 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-28.