Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Teresa Mason, MS RN

Q: What is the NPI number for Teresa Mason?

The National Provider Identifier (NPI) for Teresa Mason is 1386363828, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Nurse Specialist in Aurora, CO · enumerated 2022.

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

National Provider Identifier

1386363828

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Registry record

Entity type Individual (Type 1)

Name Teresa Mason

Credential MS RN

Sex Female

Practice address 1501 S Potomac St, Aurora, CO, 80012

Phone (720) 236-9202

Enumeration date Aug 26, 2022

Last updated in NPPES Aug 26, 2022

Taxonomy & licenses

364S00000X Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 100985 (CO) 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 is the NPI number for Teresa Mason?

The National Provider Identifier (NPI) for Teresa Mason is 1386363828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Teresa Mason practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-26.