Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Darren Michael Mattern, RN
Registered Nurse in Altoona, PA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891482576
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Registry record
Entity type Individual (Type 1)
Name Darren Michael Mattern
Credential RN
Sex Male
Practice address 2891 Fairway Drive, Altoona, PA, 16601
Phone (814) 943-2273
Enumeration date Apr 21, 2023
Last updated in NPPES Apr 21, 2023
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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.
Frequently asked questions
What is the NPI number for Darren Mattern?
The National Provider Identifier (NPI) for Darren Mattern is 1891482576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Darren Mattern practice?
The practice location on file with NPPES is in Altoona, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-21.