Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Root Cause LLC

Q: What type of organization is Root Cause LLC?

Root Cause LLC is registered in NPPES as a Acupuncturist (its primary provider taxonomy).

Acupuncturist in New Haven, CT · enumerated 2017 · authorized official Joshua Shain, Manager.

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

National Provider Identifier

1821508169

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Registry record

Entity type Organization (Type 2)

Legal business name Root Cause LLC

Practice address 75 Whitney Ave, New Haven, CT, 06510

Phone (203) 865-5121

Enumeration date Sep 30, 2017

Last updated in NPPES Oct 4, 2017

Taxonomy & classification

171100000X Acupuncturist Other Service Providers · License 583 (CT) Primary

Authorized official

Name Joshua Shain

Title Manager

Phone (203) 673-9600

Other identifiers

Identifier	Type	State	Issuer
1134577984	Medicaid	CT	-

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 type of organization is Root Cause LLC?

Root Cause LLC is registered in NPPES as a Acupuncturist (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-10-04.