Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Calm Waters LLC

Q: What is the NPI number for Calm Waters LLC?

The NPI for Calm Waters LLC is 1578973558, a Type 2 (organization) record in the CMS NPPES registry.

Community/Behavioral Health Agency in Pittsburgh, PA · enumerated 2014 · authorized official Stacie Sebastian, Licensed Professional Counselor.

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

National Provider Identifier

1578973558

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Registry record

Entity type Organization (Type 2)

Legal business name Calm Waters LLC

Practice address 1840 Mayview Road, Suite 204, Pittsburgh, PA, 15017

Phone (412) 200-0791

Enumeration date Apr 30, 2014

Last updated in NPPES Apr 30, 2014

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies · License PC007527 (PA) Primary

Authorized official

Name Stacie Sebastian

Title Licensed Professional Counselor

Phone (412) 200-0791

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 Calm Waters LLC?

The NPI for Calm Waters LLC is 1578973558, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Calm Waters LLC?

NPPES lists Stacie Sebastian (Licensed Professional Counselor) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-04-30.