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
8 nearest dentist records → All 1,750 in Wisconsin → Look up another NPI →
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.
Tam Au among 1,750 dentist records in Wisconsin
Tam Au, 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 2022, is newer than 82% of them.
- NPI issued2022 · 82% of these records are older, 14% 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 updated2022 · 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.
All 1,750 in Wisconsin → Every provider in Eau Claire → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Brandon Botsford, DDSEau Claire, WI 547011851688386
- Sarah Chambers, DDSEau Claire, WI 547011205134475
- Catherine Choi, JD, DMD, MSDEau Claire, WI 547011669905188
- Phillip Douglas, DDSEau Claire, WI 547011982858247
- Lauren Gerdin, DDSEau Claire, WI 547011992234447
- Thomas Hebert, D.D.S.Eau Claire, WI 547011104940857
- Elizabeth Henson, D.M.DEau Claire, WI 547011841421260
- Thomas Machgan, DDSEau Claire, WI 547011710155569
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.