Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Derek Koomson, RPH
Pharmacist in Hagerstown, MD · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629551411
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Registry record
Entity type Individual (Type 1)
Name Dr. Derek Koomson
Credential RPH
Sex Male
Practice address 1631 Dual Hwy, Hagerstown, MD, 21740
Phone (240) 313-9165
Enumeration date Sep 8, 2018
Last updated in NPPES Sep 8, 2018
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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
Where does Derek Koomson practice?
The practice location on file with NPPES is in Hagerstown, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Derek Koomson?
The National Provider Identifier (NPI) for Derek Koomson is 1629551411, 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 2018-09-08.