Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mariah Jo Harmon, APRN
Nurse Practitioner in Woodward, OK · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992464978
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Registry record
Entity type Individual (Type 1)
Name Mariah Jo Harmon
Credential APRN
Sex Female
Practice address 900 17th St Bsmt, Woodward, OK, 73801
Phone (580) 254-8190
Fax (580) 254-8191
Enumeration date Dec 17, 2021
Last updated in NPPES Aug 11, 2026
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 204825 (OK) Primary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists.
About the APRN 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 Mariah Harmon?
The National Provider Identifier (NPI) for Mariah Harmon is 1992464978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mariah Harmon practice?
The practice location on file with NPPES is in Woodward, OK. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-11.