Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diane Daeun Won
Pharmacist in Columbia, MD · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194249243
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Registry record
Entity type Individual (Type 1)
Name Diane Daeun Won
Sex Female
Practice address 5585 Twin Knolls Rd, Columbia, MD, 21045
Phone (410) 730-2789
Enumeration date Jul 31, 2017
Last updated in NPPES Jul 31, 2017
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
Where does Diane Won practice?
The practice location on file with NPPES is in Columbia, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diane Won?
The National Provider Identifier (NPI) for Diane Won is 1194249243, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-07-31.