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Mary Shannon Sumner

Counselor in Prosser, WA · enumerated 2015 · practices at Laboratory Corporation of America.

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

National Provider Identifier

1538553300

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Registry record

Entity type Individual (Type 1)
Name Mary Shannon Sumner
Sex Female
Practice address 820 Memorial St Ste 1, Prosser, WA, 99350
Phone (509) 786-2010
Fax (509) 788-1794
Enumeration date Mar 19, 2015
Last updated in NPPES Dec 14, 2017

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License LH60802996 (WA) Primary

Other identifiers

Identifier Type State Issuer
1020986 Medicaid AK -

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

What is the NPI number for Mary Sumner?
The National Provider Identifier (NPI) for Mary Sumner is 1538553300, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Sumner practice?
The practice location on file with NPPES is in Prosser, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-12-14.