Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Ryan Massey, MSW, LCSW

Clinical Social Worker in Potosi, MO · enumerated 2019 · practices at Every Person Matters, LLC.

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

National Provider Identifier

1346890696

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Registry record

Entity type Individual (Type 1)

Name Christopher Ryan Massey

Credential MSW, LCSW

Sex Male

Practice address 402 N Missouri St, Potosi, MO, 63664

Phone (573) 210-4959

Enumeration date Sep 18, 2019

Last updated in NPPES May 3, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 2019005818 (MO) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 2021014789 (MO) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
490075951	Medicaid	MO	-

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 Christopher Massey?

The National Provider Identifier (NPI) for Christopher Massey is 1346890696, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Massey practice?

The practice location on file with NPPES is in Potosi, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Every Person Matters, LLC Clinical Social Worker · Potosi, MO NPI 1366025140

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-03.