Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sara Wallenius Mertz, A/GNP
Nurse Practitioner in Asheville, NC · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124063300
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Registry record
Entity type Individual (Type 1)
Name Sara Wallenius Mertz
Credential A/GNP
Sex Female
Practice address 286 Overlook Rd, Asheville, NC, 28803
Phone (828) 213-8442
Enumeration date Jun 19, 2006
Last updated in NPPES Mar 29, 2019
Taxonomy & licenses
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 200950150NP (OR) Secondary
363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 99007553N4 (OR) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5005118 (NC) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 292676 | Medicaid | OR | - |
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 Sara Mertz?
The National Provider Identifier (NPI) for Sara Mertz is 1124063300, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sara Mertz practice?
The practice location on file with NPPES is in Asheville, NC. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Christopher Patterson Internal Medicine Physician · Asheville, NC NPI 1417920646 Jamie Cronquist Pharmacist · Asheville, NC NPI 1811246432 Community Carepartners, Inc. PACE Provider Organization · Asheville, NC NPI 1538579511 Mission Hospital, Inc PACE Provider Organization · Asheville, NC NPI 1659898906 Carepartners Rehabilitation Hospital, Lllp PACE Provider Organization · Asheville, NC NPI 1427692680 Leah Westendorf Family Nurse Practitioner · Asheville, NC NPI 1407774466
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-29.