Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cecilie Claire Simonsen, SLP

Speech-Language Pathologist in Menlo Park, CA · enumerated 2021 · practices at Lucile Packard Children'S Hospital.

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

National Provider Identifier

1497347835

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Registry record

Entity type Individual (Type 1)

Name Cecilie Claire Simonsen

Credential SLP

Sex Female

Practice address 321 Middlefield Rd, Menlo Park, CA, 94025

Phone (734) 277-2391

Enumeration date Feb 8, 2021

Last updated in NPPES Feb 8, 2021

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers Primary

SLP · Speech-Language Pathologist: A licensed clinician treating speech, language, and swallowing disorders. About the SLP 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.

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Frequently asked questions

Is NPI 1497347835 active?

Yes, as of the latest NPPES snapshot, NPI 1497347835 is active (record last updated 2021-02-08).

How do I verify Cecilie Simonsen's NPI record?

Cross-check NPI 1497347835 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-08.