NPPES file of Aug 9, 2026

Tam Au, DDS

Dentist · Eau Claire, WI

Tam Au, DDS is a dentist with a practice address in Eau Claire, Wisconsin, and NPI 1154053965, issued on Jun 29, 2022. Check the license (Wisconsin 6001010-15, 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
1154053965
Name
Tam Au
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
6001010-15 WI
Self-reported in NPPES; status is on the state search
Practice location
3203 Stein Blvd, Eau Claire, WI 54701
Phone
(715) 834-1060
Enumerated
Jun 29, 2022
Record last updated
Jun 29, 2022
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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Also registered at 3203 Stein Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill Chaffee, MSWClinical Social Worker1124293683
  2. Lauren Gerdin, DDSDentist1992234447
  3. William Goeltz, PSYDClinical Psychologist1629142104

Verify Tam Au 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 6001010-15
    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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40% fewer Medicare Part D claims than the average dentist in 2024

52 Medicare Part D claims for 30 beneficiaries, 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. Tam Au52
  2. Specialty average86

Most prescribed

  1. Amoxicillin12 claims

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.

Dentist providers in Wisconsin

There are 1,750 dentist records in Wisconsin.

Other dentist records in Wisconsin

  1. Buhisa AbdelkafiRacine, WI1881383586
  2. Hooman Abdolisereshki, DDSPlymouth, WI1619369279
  3. Megan Abell, DDSMadison, WI1346477361
  4. Matthew Abraham, DDSLadysmith, WI1912350448
  5. Nicolas Abujamra, DDS, MSGreen Bay, WI1720123201
  6. Guillermo Aceves, DDSJanesville, WI1447090766
  7. Amber Ackerman, DMDMount Horeb, WI1497646509
  8. Erica Adams, DMDMadison, WI1275101909
  9. Hala Afifa, DDSMilwaukee, WI1891363198
  10. Aarushi Agarwal, DMDMadison, WI1841977717

Common questions

What is Tam Au, DDS's NPI number?

Tam Au, DDS's National Provider Identifier (NPI) is 1154053965, issued on Jun 29, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Tam Au, DDS located?

The NPPES record lists a practice address at 3203 Stein Blvd, Eau Claire, WI, 54701. Phone: (715) 834-1060. Providers update this record themselves, so call before visiting.

How can I verify Tam Au, DDS's license?

NPPES lists Wisconsin license number 6001010-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Tam Au, DDS prescribe under Medicare Part D?

In 2024, Tam Au, DDS had 52 Medicare Part D claims for 30 beneficiaries; 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.