Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Elizabeth Big Bow, P.S.S.

Q: What is the NPI number for Mary Big Bow?

The National Provider Identifier (NPI) for Mary Big Bow is 1588557078, a Type 1 (individual) record in the CMS NPPES registry.

Peer Specialist in Box Elder, MT · enumerated 2025.

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

National Provider Identifier

1588557078

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Registry record

Entity type Individual (Type 1)

Name Mary Elizabeth Big Bow

Credential P.S.S.

Sex Female

Practice address Rocky Boy Health Center, 6850 Upper Box Elder Road, Box Elder, MT, 59521

Phone (406) 395-4486

Enumeration date Jun 2, 2025

Last updated in NPPES Jun 2, 2025

Taxonomy & licenses

175T00000X Peer Specialist Other 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 Big Bow?

The National Provider Identifier (NPI) for Mary Big Bow is 1588557078, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Big Bow practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-02.