Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria Malloy, MSW
School Social Worker in Butte, MT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578784252
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Registry record
Entity type Individual (Type 1)
Name Maria Malloy
Credential MSW
Sex Female
Practice address 1050 S Montana St, Butte, MT, 59701
Phone (406) 533-2972
Enumeration date May 1, 2007
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0502299 | Medicaid | MT | - |
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.
Frequently asked questions
What is the NPI number for Maria Malloy?
The National Provider Identifier (NPI) for Maria Malloy is 1578784252, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Malloy practice?
The practice location on file with NPPES is in Butte, MT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → A.W.A.R.E School Social Worker · Butte, MT NPI 1194862086 Butte School District #1 Mental Health Counselor · Butte, MT NPI 1144342809 Butte Public Schools Local Education Agency (LEA) · Butte, MT NPI 1720295041 Scott Trzinski Counselor · Butte, MT NPI 1841444577 Jessie Billquist-Jette Physical Therapist · Butte, MT NPI 1528352309 Sheila Johnsen Social Worker · Butte, MT NPI 1780970848 Katrine Setterstrom Professional Counselor · Butte, MT NPI 1669030854 Claudia Bennington Professional Counselor · Butte, MT NPI 1932758851
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.