Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Harold Craig Darby, PHARMACIST
Pharmacist in Texarkana, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245337294
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Registry record
Entity type Individual (Type 1)
Name Mr. Harold Craig Darby
Credential PHARMACIST
Sex Male
Practice address 5001 N State Line Ave, Suite C, Texarkana, TX, 75503
Phone (800) 785-4197
Fax (903) 735-4011
Enumeration date Sep 20, 2006
Last updated in NPPES Jul 8, 2007
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 Harold Darby?
The National Provider Identifier (NPI) for Harold Darby is 1245337294, a Type 1 (individual) record in the CMS NPPES registry.
Where does Harold Darby practice?
The practice location on file with NPPES is in Texarkana, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.