Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sherston Calhoun, LMSW

Social Worker in Livermore, CA · enumerated 2006.

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

National Provider Identifier

1891873766

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Registry record

Entity type Individual (Type 1)

Name Sherston Calhoun

Credential LMSW

Sex Female

Practice address 4951 Arroyo Rd, Livermore, CA, 94550

Phone (925) 373-4700

Fax (925) 449-6523

Enumeration date Nov 1, 2006

Last updated in NPPES Mar 3, 2010

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 8024 (TN) 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.

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Frequently asked questions

How do I verify Sherston Calhoun's NPI record?

Cross-check NPI 1891873766 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891873766 active?

Yes, as of the latest NPPES snapshot, NPI 1891873766 is active (record last updated 2010-03-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-03.