Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary J Eggleston, MS ED

Addiction (Substance Use Disorder) Counselor in Sioux Falls, SD · enumerated 2005.

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

National Provider Identifier

1437142288

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Registry record

Entity type Individual (Type 1)

Name Ms. Mary J Eggleston

Credential MS ED

Sex Female

Practice address 2210 S Brown Pl, Sioux Falls, SD, 57105

Phone (605) 332-1700

Fax (605) 336-9031

Enumeration date Aug 26, 2005

Last updated in NPPES Mar 23, 2012

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License LPC 537 (SD) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License LMFT1015 (SD) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers 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

What is the NPI number for Mary Eggleston?

The National Provider Identifier (NPI) for Mary Eggleston is 1437142288, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Eggleston practice?

The practice location on file with NPPES is in Sioux Falls, SD. 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 2012-03-23.