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Ms. Karen Marie Newcomb, MFT

Marriage & Family Therapist in Castro Valley, CA · enumerated 2007.

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

National Provider Identifier

1982724936

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Registry record

Entity type Individual (Type 1)
Name Ms. Karen Marie Newcomb
Credential MFT
Sex Female
Practice address 21847 Redwood Rd, Castro Valley, CA, 94546
Phone (510) 303-7240
Enumeration date Mar 30, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License MFC34614 (CA) Primary

Other identifiers

Identifier Type State Issuer
01674804 Medicaid CA -

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

What is the NPI number for Karen Newcomb?
The National Provider Identifier (NPI) for Karen Newcomb is 1982724936, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Newcomb practice?
The practice location on file with NPPES is in Castro Valley, 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 2007-07-08.