Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sylvia Desiree-Sosa Newlun, MFT

Marriage & Family Therapist in Sutter Creek, CA · enumerated 2007.

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

National Provider Identifier

1083833552

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Registry record

Entity type Individual (Type 1)

Name Sylvia Desiree-Sosa Newlun

Credential MFT

Sex Female

Practice address 10877 Conductor Blvd, Suite 300, Sutter Creek, CA, 95685

Phone (209) 223-6412

Fax (209) 223-0920

Enumeration date Apr 24, 2007

Last updated in NPPES Jun 24, 2021

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License IMF48479 (CA) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 81835 (CA) 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 Sylvia Newlun?

The National Provider Identifier (NPI) for Sylvia Newlun is 1083833552, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sylvia Newlun practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-24.