Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Sigfried Santos, R.PH.
Pharmacist in Seattle, WA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639409576
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Registry record
Entity type Individual (Type 1)
Name Mr. Sigfried Santos
Credential R.PH.
Sex Male
Practice address 8701 Greenwood Ave N, Seattle, WA, 98103
Phone (206) 706-9140
Fax (206) 706-9415
Enumeration date Dec 27, 2009
Last updated in NPPES Dec 27, 2009
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
What is the NPI number for Sigfried Santos?
The National Provider Identifier (NPI) for Sigfried Santos is 1639409576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sigfried Santos practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Katrina Lui Pharmacist · Seattle, WA NPI 1255661948 John Gadbois Pharmacist · Seattle, WA NPI 1124341862 Vu Hoang Pharmacist · Seattle, WA NPI 1144548819 Alexander Cao Pharmacist · Seattle, WA NPI 1568865699 Sin U Mok Pharmacist · Seattle, WA NPI 1629462064 Richard Wang Pharmacist · Seattle, WA NPI 1699145649
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-27.