Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael Ray Sieber, MSW

Clinical Social Worker in Mount Clare, WV · enumerated 2006.

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

National Provider Identifier

1558373373

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael Ray Sieber

Credential MSW

Sex Male

Practice address Rr 2 Box 233-B, Mount Clare, WV, 26408

Phone (304) 622-6404

Enumeration date Aug 12, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 582 (WV) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License DP00455144 (WV) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1558373373 active?

Yes, as of the latest NPPES snapshot, NPI 1558373373 is active (record last updated 2025-09-11).

How do I verify Michael Sieber's NPI record?

Cross-check NPI 1558373373 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.