Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dan Lee Somsen, RPH
Pharmacist in Yankton, SD · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619968369
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Registry record
Entity type Individual (Type 1)
Name Dan Lee Somsen
Credential RPH
Sex Male
Practice address 109 W. 3rd St., Yankton, SD, 57078
Phone (605) 665-7865
Fax (605) 665-0452
Enumeration date Nov 2, 2005
Last updated in NPPES Jul 8, 2007
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 Dan Somsen practice?
The practice location on file with NPPES is in Yankton, SD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dan Somsen?
The National Provider Identifier (NPI) for Dan Somsen is 1619968369, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.