NPI Portal NPI Lookup & Verification

Brian T Wiswall, DDS

Brian T Wiswall is a General Practice Dentistry provider (Dentist) practicing in Sioux Falls, SD, registered in the NPPES registry with NPI 1245327642 since 2006. The credential DDS stands for Doctor of Dental Surgery. Practices at Brian T Wiswall DDS PC (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1245327642
Entity type Individual (Type 1)
Name Brian T Wiswall
Credential DDS
Sex Male
Practice address 518 N SYCAMORE AVENUE, Sioux Falls, SD, 57110
Phone 6053730245
Fax 6053363261
Enumeration date 2006-10-06
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary M446 SD

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: Brian Wiswall, DDS
NPI: 1245327642
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 518 N SYCAMORE AVENUE, Sioux Falls, SD, 57110

Other providers at this practice address

NPI Name Type Specialty Location
1497842801 Brian T Wiswall DDS PC Organization General Practice Dentistry Sioux Falls, SD

Verify this record

Cross-check NPI 1245327642 against the authoritative CMS record: view Brian T Wiswall on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Brian Wiswall?
The National Provider Identifier (NPI) for Brian Wiswall is 1245327642, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Wiswall practice?
The practice location on file with NPPES is in Sioux Falls, SD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.