Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sophia A Reiff

Q: What is the NPI number for Sophia Reiff?

The National Provider Identifier (NPI) for Sophia Reiff is 1043993207, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Crockett, CA · enumerated 2023.

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

National Provider Identifier

1043993207

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Registry record

Entity type Individual (Type 1)

Name Sophia A Reiff

Sex Female

Practice address 722 Edwards St, Crockett, CA, 94525

Phone (415) 250-5700

Enumeration date Aug 14, 2023

Last updated in NPPES Aug 14, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker 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

Where does Sophia Reiff practice?

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

What is the NPI number for Sophia Reiff?

The National Provider Identifier (NPI) for Sophia Reiff is 1043993207, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-14.