Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard Alvarado

Social Worker in Sacramento, CA · enumerated 2011.

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

National Provider Identifier

1669756284

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Registry record

Entity type Individual (Type 1)

Name Richard Alvarado

Sex Male

Practice address 3671 Business Dr Ste 110, Sacramento, CA, 95820

Phone (408) 846-2100

Enumeration date Sep 30, 2011

Last updated in NPPES May 5, 2021

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

104100000X 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

What specialty is Richard Alvarado?

Richard Alvarado is registered in NPPES with the primary taxonomy of Social Worker. 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 2021-05-05.