Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Hailei A Lewis

Adult Companion in Fair Oaks, CA · enumerated 2023 · practices at Progress Ranch Treatment Services for Children.

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

National Provider Identifier

1336833482

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Registry record

Entity type Individual (Type 1)

Name Hailei A Lewis

Sex Female

Practice address Fair Oaks, CA, 95628

Phone (530) 753-2566

Enumeration date Jun 2, 2023

Last updated in NPPES Apr 23, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers Secondary

372600000X Adult Companion Nursing Service Related Providers Primary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

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 specialty is Hailei Lewis?

Hailei Lewis is registered in NPPES with the primary taxonomy of Adult Companion. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-23.