Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Oteria Randall Koayen

Critical Care Medicine Nurse Practitioner in Pittsburg, CA · enumerated 2007.

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

National Provider Identifier

1508060237

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Registry record

Entity type Individual (Type 1)

Name Mrs. Oteria Randall Koayen

Sex Female

Practice address 1166 Brooktrail Dr, 1900 Fruitvale Ave Suite 3e, Pittsburg, CA, 94565

Phone (925) 261-9953

Enumeration date Jun 14, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LC0200X Critical Care Medicine Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 15439 (CA) 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

Where does Oteria Randall Koayen practice?

The practice location on file with NPPES is in Pittsburg, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Oteria Randall Koayen?

The National Provider Identifier (NPI) for Oteria Randall Koayen is 1508060237, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.