Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Cynthia Kae Nelson, MASTER'S

Addiction (Substance Use Disorder) Counselor in Grover Beach, CA · enumerated 2007.

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

National Provider Identifier

1700099090

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Registry record

Entity type Individual (Type 1)

Name Mrs. Cynthia Kae Nelson

Credential MASTER'S

Sex Female

Practice address 767 Ramona Ave, Grover Beach, CA, 93433

Phone (805) 349-9600

Enumeration date May 7, 2007

Last updated in NPPES Oct 12, 2011

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Cynthia Nelson?

The National Provider Identifier (NPI) for Cynthia Nelson is 1700099090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cynthia Nelson practice?

The practice location on file with NPPES is in Grover Beach, 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 2011-10-12.