Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melanie Ror-Ree Gensaw, LCSW

Addiction (Substance Use Disorder) Counselor in Fortuna, CA · enumerated 2021.

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

National Provider Identifier

1700462900

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Registry record

Entity type Individual (Type 1)

Name Melanie Ror-Ree Gensaw

Credential LCSW

Sex Female

Practice address 934 S Fortuna Blvd Ste B, Fortuna, CA, 95540

Phone (707) 392-3780

Enumeration date Mar 19, 2021

Last updated in NPPES Mar 19, 2021

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 92891 (CA) Primary

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

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 Melanie Gensaw?

The National Provider Identifier (NPI) for Melanie Gensaw is 1700462900, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melanie Gensaw practice?

The practice location on file with NPPES is in Fortuna, 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 2021-03-19.