Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Courtney Lynn Clark
Counselor in Marietta, OH · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457906588
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Registry record
Entity type Individual (Type 1)
Name Courtney Lynn Clark
Sex Female
Practice address 207d Colegate Dr, Marietta, OH, 45750
Phone (740) 376-0930
Enumeration date Aug 6, 2019
Last updated in NPPES Aug 6, 2019
Taxonomy & licenses
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 Courtney Clark?
The National Provider Identifier (NPI) for Courtney Clark is 1457906588, a Type 1 (individual) record in the CMS NPPES registry.
Where does Courtney Clark practice?
The practice location on file with NPPES is in Marietta, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Lisa La Du Clinical Social Worker · Marietta, OH NPI 1366479784 Dayna Pitzer Social Worker · Marietta, OH NPI 1114098993 Erin Donofrio Clinical Social Worker · Marietta, OH NPI 1770722852 James Coley Case Manager/Care Coordinator · Marietta, OH NPI 1578943718 Joseph Beall Nurse Practitioner · Marietta, OH NPI 1376909259 Lisa Ruf Case Manager/Care Coordinator · Marietta, OH NPI 1972055309 Kerri Creighton Case Manager/Care Coordinator · Marietta, OH NPI 1366994782 Melissa Hart Licensed Practical Nurse · Marietta, OH NPI 1386196723
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-06.