Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Susan Lea Gravier

Case Manager/Care Coordinator in Willits, CA · enumerated 2007 · practices at County of Mendocino.

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

National Provider Identifier

1902085897

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Registry record

Entity type Individual (Type 1)

Name Susan Lea Gravier

Sex Female

Practice address 221 S Lenore Ave, Suite B, Willits, CA, 95490

Phone (707) 472-2634

Enumeration date Oct 29, 2007

Last updated in NPPES Oct 29, 2007

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator 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.

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Frequently asked questions

Where does Susan Gravier practice?

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

What is the NPI number for Susan Gravier?

The National Provider Identifier (NPI) for Susan Gravier is 1902085897, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

County of Mendocino State or Local Public Health Clinic/Center · Willits, CA NPI 1063558823 John Flammang Case Manager/Care Coordinator · Willits, CA NPI 1982740676

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-29.