Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nicolas Alcala

Urology Physician in Oak Ridge, TN · enumerated 2020.

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

National Provider Identifier

1972139483

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Registry record

Entity type Individual (Type 1)

Name Nicolas Alcala

Sex Male

Practice address 800 Oak Ridge Tpke, Oak Ridge, TN, 37830

Phone (865) 483-1093

Enumeration date Mar 16, 2020

Last updated in NPPES Jul 10, 2026

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 77320 (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

Where does Nicolas Alcala practice?

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

What is the NPI number for Nicolas Alcala?

The National Provider Identifier (NPI) for Nicolas Alcala is 1972139483, 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 2026-07-10.