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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Teri Alderson, R.N.

Registered Nurse in Mission Viejo, CA · enumerated 2016.

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

National Provider Identifier

1538523840

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Registry record

Entity type Individual (Type 1)
Name Teri Alderson
Credential R.N.
Sex Female
Practice address Mission Viejo, CA, 92692
Enumeration date Apr 12, 2016
Last updated in NPPES Apr 12, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 95075284 (CA) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Other identifiers

Identifier Type State Issuer
33-0150193 Other CA MEDI-CAL

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 Teri Alderson?
The National Provider Identifier (NPI) for Teri Alderson is 1538523840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Teri Alderson practice?
The practice location on file with NPPES is in Mission Viejo, CA. 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 2016-04-12.