Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Arima Seti Williams, AMFT

Marriage & Family Therapist in Corona, CA · enumerated 2023.

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

National Provider Identifier

1275219750

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Registry record

Entity type Individual (Type 1)

Name Ms. Arima Seti Williams

Credential AMFT

Sex Female

Practice address 400 Ramona Ave Ste 207, Corona, CA, 92879

Phone (888) 883-7639

Enumeration date Jun 27, 2023

Last updated in NPPES Jun 27, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 140167 (CA) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 140167 (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 Arima Williams?

The National Provider Identifier (NPI) for Arima Williams is 1275219750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arima Williams practice?

The practice location on file with NPPES is in Corona, 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 2023-06-27.