Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Melissa J Ruiz, MSW, PPS-SSW
School Social Worker in Hoopa, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750277216
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Registry record
Entity type Individual (Type 1)
Name Melissa J Ruiz
Credential MSW, PPS-SSW
Sex Female
Practice address 365 Loop Rd, Hoopa, CA, 95546
Phone (530) 625-5600
Enumeration date Jun 12, 2025
Last updated in NPPES Jun 12, 2025
Taxonomy & licenses
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 Melissa Ruiz?
The National Provider Identifier (NPI) for Melissa Ruiz is 1750277216, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melissa Ruiz practice?
The practice location on file with NPPES is in Hoopa, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-12.