Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Arms Wide Open Sd LLC

Q: What is the NPI number for Arms Wide Open Sd LLC?

The NPI for Arms Wide Open Sd LLC is 1609600840, a Type 2 (organization) record in the CMS NPPES registry.

Behavior Analyst in Sioux Falls, SD · enumerated 2024 · authorized official Efraim Cooper, Coo.

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

National Provider Identifier

1609600840

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Registry record

Entity type Organization (Type 2)

Legal business name Arms Wide Open Sd LLC

Parent organization Arms Wide Open Ny LLC

Practice address 101 S Reid St Ste 307, Sioux Falls, SD, 57103

Phone (605) 401-6143

Enumeration date Aug 29, 2024

Last updated in NPPES Aug 29, 2024

Taxonomy & classification

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Authorized official

Name Efraim Cooper

Title Coo

Phone (845) 521-5407

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

What is the NPI number for Arms Wide Open Sd LLC?

The NPI for Arms Wide Open Sd LLC is 1609600840, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Arms Wide Open Sd LLC?

NPPES lists Efraim Cooper (Coo) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-29.