Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Holly Melissa Mason, NP-C
Nurse Practitioner in Asheville, NC · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114467321
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Registry record
Entity type Individual (Type 1)
Name Holly Melissa Mason
Credential NP-C
Sex Female
Practice address 40 N Merrimon Ave, Ste 117, Asheville, NC, 28804
Phone (828) 348-8232
Fax (855) 323-6740
Enumeration date Mar 7, 2017
Last updated in NPPES Mar 7, 2017
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5009272 (NC) 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.
Frequently asked questions
Where does Holly Mason practice?
The practice location on file with NPPES is in Asheville, NC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Holly Mason?
The National Provider Identifier (NPI) for Holly Mason is 1114467321, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-07.