NPPES file of Aug 9, 2026

Mark Stephen Mueller, DDS

Dentist · Tomah, WI

Mark Stephen Mueller, DDS is a dentist with a practice address in Tomah, Wisconsin, and NPI 1093813933, issued on Sep 21, 2006. Check the license (Wisconsin 3857, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093813933
Name
Mark Stephen Mueller
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
3857 WI
Self-reported in NPPES; status is on the state search
Practice location
820 N Superior Ave, Tomah, WI 54660
Phone
(608) 372-5000
Enumerated
Sep 21, 2006
Record last updated
Jun 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mark Stephen Mueller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 3857
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

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83% fewer Medicare Part D claims than the average dentist in 2024

15 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Mueller15
  2. Specialty average86

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Mark Stephen Mueller among 1,750 dentist records in Wisconsin

Mark Stephen Mueller, DDS is one of 1,750 dentist records with a practice address in Wisconsin. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Wisconsin

There are 1,750 dentist records in Wisconsin.

The 8 dentist records with the nearest ZIP codes

  1. Jairus Houston, DDSTomah, WI 546601013319912
  2. John Frazee, DDSSparta, WI 546561689714487
  3. Hailey MarxSparta, WI 546561467396275
  4. Hannah Morgan, DDSSparta, WI 546561013589977
  5. Steven Solverson, DDSViroqua, WI 546651023277258
  6. Merry Gajewski, DDSWestby, WI 546671881701241
  7. Mitchell Splinter, DDSWestby, WI 546671346091857
  8. James Allen, D.D.S.West Salem, WI 546691003062977

Common questions

What is Mark Stephen Mueller, DDS's NPI number?

Mark Stephen Mueller, DDS's National Provider Identifier (NPI) is 1093813933, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Stephen Mueller, DDS located?

The NPPES record lists a practice address at 820 N Superior Ave, Tomah, WI, 54660. Phone: (608) 372-5000. Providers update this record themselves, so call before visiting.

How can I verify Mark Stephen Mueller, DDS's license?

NPPES lists Wisconsin license number 3857, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Stephen Mueller, DDS prescribe under Medicare Part D?

In 2024, Mark Stephen Mueller, DDS had 15 Medicare Part D claims; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.