Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Maribeth G Mertel, NP
Nurse Practitioner in Wayne, NJ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134339765
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Registry record
Entity type Individual (Type 1)
Name Mrs. Maribeth G Mertel
Credential NP
Sex Female
Practice address 1825 Rt 23 S, Wayne, NJ, 07470
Phone (973) 633-1484
Enumeration date May 23, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NN09728100 (NJ) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP 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
Where does Maribeth Mertel practice?
The practice location on file with NPPES is in Wayne, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maribeth Mertel?
The National Provider Identifier (NPI) for Maribeth Mertel is 1134339765, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.