Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Sharilyn Renae Shaeffer, MFT

Mental Health Counselor in Santa Rosa, CA · enumerated 2008.

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

National Provider Identifier

1558512418

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Registry record

Entity type Individual (Type 1)

Name Ms. Sharilyn Renae Shaeffer

Credential MFT

Sex Female

Practice address Santa Rosa, CA, 95407

Phone (707) 565-4970

Enumeration date Oct 8, 2008

Last updated in NPPES Jul 21, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License IMF54737 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
IMF54737	Other	CA	MFT INTERN

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

How do I verify Sharilyn Shaeffer's NPI record?

Cross-check NPI 1558512418 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1558512418 active?

Yes, as of the latest NPPES snapshot, NPI 1558512418 is active (record last updated 2022-07-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.