Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Caitlin Billings Inc Licensed Clinical Social Worker

Clinical Social Worker in Crockett, CA · enumerated 2022 · authorized official Caitlin Billings, Owner.

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

National Provider Identifier

1891434858

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Registry record

Entity type Organization (Type 2)

Legal business name Caitlin Billings Inc Licensed Clinical Social Worker

Practice address 1214 Pomona St Ste B, Crockett, CA, 94525

Phone (510) 592-7935

Enumeration date May 29, 2022

Last updated in NPPES May 29, 2022

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

Authorized official

Name Caitlin Billings

Title Owner

Phone (510) 967-3058

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 Caitlin Billings Inc Licensed Clinical Social Worker?

The NPI for Caitlin Billings Inc Licensed Clinical Social Worker is 1891434858, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Caitlin Billings Inc Licensed Clinical Social Worker?

NPPES lists Caitlin Billings (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-29.