Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas K Chiu, PHARM.D.
Pharmacist in Sioux Falls, SD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659415867
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas K Chiu
Credential PHARM.D.
Sex Male
Practice address 1104 W Russell St, Sioux Falls, SD, 57104
Phone (605) 338-9383
Fax (605) 338-1693
Enumeration date Feb 19, 2007
Last updated in NPPES Mar 20, 2019
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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 Thomas Chiu practice?
The practice location on file with NPPES is in Sioux Falls, SD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Chiu?
The National Provider Identifier (NPI) for Thomas Chiu is 1659415867, 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 2019-03-20.