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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William Thomas Mosher, MS, LPC, LADC

Mental Health Counselor in Nowata, OK · enumerated 2007 · practices at Grand Lake Mental Health Center, Inc..

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

National Provider Identifier

1003037565

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Registry record

Entity type Individual (Type 1)
Name Mr. William Thomas Mosher
Credential MS, LPC, LADC
Sex Male
Practice address 114 W Delaware Ave, Nowata, OK, 74048
Phone (918) 273-1841
Fax (918) 273-1843
Enumeration date May 1, 2007
Last updated in NPPES May 1, 2023

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 4323 (OK) Primary
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 773 (OK) Secondary
LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC credential

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.

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Frequently asked questions

Is NPI 1003037565 active?
Yes, as of the latest NPPES snapshot, NPI 1003037565 is active (record last updated 2023-05-01).
How do I verify William Mosher's NPI record?
Cross-check NPI 1003037565 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-01.