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.
- 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
Also registered at 3203 Stein Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Chaffee, MSWClinical Social Worker1124293683
- Lauren Gerdin, DDSDentist1992234447
- William Goeltz, PSYDClinical Psychologist1629142104
Verify Tam Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6001010-15Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- 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.
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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.