Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Diehl Behavior Services, Inc

Behavior Analyst in Castle Rock, CO · enumerated 2018 · authorized official Kathryn Diehl, Owner.

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

National Provider Identifier

1841776416

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Registry record

Entity type Organization (Type 2)

Legal business name Diehl Behavior Services, Inc

Practice address 2115 Selenite Ct, Castle Rock, CO, 80108

Phone (720) 474-2308

Enumeration date Jul 16, 2018

Last updated in NPPES Jul 16, 2018

Taxonomy & classification

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Authorized official

Name Kathryn Diehl

Title Owner

Phone (720) 474-2308

Other identifiers

Identifier	Type	State	Issuer
1417102831	Other	-	NPI

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 is Diehl Behavior Services, Inc located?

The practice location on file with NPPES is in Castle Rock, CO.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2018-07-16. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-16.