Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ardith Lynch, RN

Registered Nurse in Fortuna, CA · enumerated 2023.

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

National Provider Identifier

1720768377

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Registry record

Entity type Individual (Type 1)

Name Ardith Lynch

Credential RN

Sex Female

Practice address 3750 Rohnerville Rd, Fortuna, CA, 95540

Phone (707) 725-6101

Fax (707) 725-2978

Enumeration date Jul 19, 2023

Last updated in NPPES Jul 19, 2023

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 4723367 (CA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Ardith Lynch?

Ardith Lynch is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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John Aragon General Practice Dentistry · Fortuna, CA NPI 1841275823 Michael Manhard Dentist · Fortuna, CA NPI 1184722902 Natalie Mcqueen Medical Physician Assistant · Fortuna, CA NPI 1790179984 Caitlin Mullins Family Medicine Physician · Fortuna, CA NPI 1710483086 Paula-Marie Schneider Registered Nurse · Fortuna, CA NPI 1144867474 Kenneth Glenn General Practice Dentistry · Fortuna, CA NPI 1649854878 Tatsiana Franco Physician Assistant · Fortuna, CA NPI 1558037465 Hyun Ryung Choi Family Medicine Physician · Fortuna, CA NPI 1205578663

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-19.