Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Holly Caroline Johnston, CNP
Nurse Practitioner in Canton, GA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609407600
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Registry record
Entity type Individual (Type 1)
Name Holly Caroline Johnston
Credential CNP
Sex Female
Practice address 470 Northside Cherokee Blvd Ste 475, Canton, GA, 30115
Phone (770) 721-9400
Fax (770) 721-9401
Enumeration date Jan 29, 2020
Last updated in NPPES Sep 17, 2023
Taxonomy & licenses
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN210001 (GA) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN210001 (GA) 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
What is the NPI number for Holly Johnston?
The National Provider Identifier (NPI) for Holly Johnston is 1609407600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Holly Johnston practice?
The practice location on file with NPPES is in Canton, GA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-17.