NPI Portal NPI Lookup & Verification

Dr. Mark Stephen Mueller, DDS

Dr. Mark Stephen Mueller is a Dentist provider (Dentist) practicing in Tomah, WI, registered in the NPPES registry with NPI 1093813933 since 2006. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1093813933
Entity type Individual (Type 1)
Name Dr. Mark Stephen Mueller
Credential DDS
Sex Male
Practice address Tomah, WI, 54660
Phone 6083725000
Enumeration date 2006-09-21
Last updated in NPPES 2015-06-02

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
122300000X Dentist Primary 3857 WI

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
3857 Other WI LICENSE NUMBER
Copy-ready billing details
Provider: Mark Mueller, DDS
NPI: 1093813933
Taxonomy: 122300000X (Dentist)
Address: Tomah, WI, 54660

Other providers at this practice address

NPI Name Type Specialty Location
1700110574 Deer Creek Dental Clinic, Ltd Organization Dental Clinic/Center Tomah, WI
1861158958 Tjm Dental LLC Organization General Practice Dentistry Tomah, WI

Verify this record

Cross-check NPI 1093813933 against the authoritative CMS record: view Dr. Mark Stephen Mueller 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

Where does Mark Mueller practice?
The practice location on file with NPPES is in Tomah, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Mueller?
The National Provider Identifier (NPI) for Mark Mueller is 1093813933, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2015-06-02.