Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Scott Wiencek, DDS
Dentist in Stoughton, WI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235127036
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Registry record
Entity type Individual (Type 1)
Name Dr. John Scott Wiencek
Credential DDS
Sex Male
Practice address 114 E Washington St, Stoughton, WI, 53589
Phone (608) 873-7412
Fax (608) 873-7342
Enumeration date Oct 6, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 33465000 | Medicaid | WI | - |
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 John Wiencek?
The National Provider Identifier (NPI) for John Wiencek is 1235127036, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Wiencek practice?
The practice location on file with NPPES is in Stoughton, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.