Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Colleen Anne Caleshu, SCM, LCGC

Genetic Counselor (M.S.) in South San Francisco, CA · enumerated 2007 · practices at Genome Medical Services.

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

National Provider Identifier

1558489666

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Registry record

Entity type Individual (Type 1)

Name Colleen Anne Caleshu

Credential SCM, LCGC

Sex Female

Practice address 701 Gateway Blvd Ste 380, South San Francisco, CA, 94080

Phone (877) 688-0992

Enumeration date Mar 27, 2007

Last updated in NPPES Apr 12, 2022

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers · License 0139000347 (VA) 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

What is the NPI number for Colleen Caleshu?

The National Provider Identifier (NPI) for Colleen Caleshu is 1558489666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Colleen Caleshu practice?

The practice location on file with NPPES is in South San Francisco, 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 2022-04-12.