Thomas G. Williams, DDS
General Practice Dentistry · Richland Center, WI
Thomas G. Williams, DDS is a general practice dentistry with a practice address in Richland Center, Wisconsin, and NPI 1386607141, issued on Apr 11, 2006. Check the license (Wisconsin 3222, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas G. Williams
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3222 WI
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Church St, Richland Center, WI 53581
- Phone
- (608) 647-3993
- Enumerated
- Apr 11, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (608) 647-7327
- Medicaid ID
- 33456100 WI
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,305 in Wisconsin → Look up another NPI →
Also registered at 100 N Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Chitwood, DDSGeneral Practice Dentistry1659000461
- Anne Hagenston, D.D.S.General Practice Dentistry1821351529
- Daniel Pearce, DDSGeneral Practice Dentistry1841253697
- Kathryn ZangDentist1649629858
Verify Thomas G. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average general practice dentistry in 2024
44 Medicare Part D claims for 31 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin35 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.
Industry payments in 2024: $41.84
2 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thomas G. Williams among 2,305 general practice dentistry records in Wisconsin
Thomas G. Williams, DDS is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 67% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 general practice dentistry records list a practice address in Richland Center
They are 6 of the 214 NPPES records with a practice address in Richland Center, and 2,305 general practice dentistry records in Wisconsin.
All 2,305 in Wisconsin → Every provider in Richland Center → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Thomas Chitwood, DDSRichland Center, WI 535811659000461
- Anne Hagenston, D.D.S.Richland Center, WI 535811821351529
- Kloie Kinney, DDSRichland Center, WI 535811417796798
- Terrence Moen, DDSRichland Center, WI 535811528192358
- Daniel Pearce, DDSRichland Center, WI 535811841253697
- Randall Ballweg, D.D.S.Prairie Du Sac, WI 535781609855303
- Paul Ganshert, D.D.S.Prairie Du Sac, WI 535781124007729
- Katherine Haugen, DDSPrairie Du Sac, WI 535781588595409
Common questions
What is Thomas G. Williams, DDS's NPI number?
Thomas G. Williams, DDS's National Provider Identifier (NPI) is 1386607141, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas G. Williams, DDS located?
The NPPES record lists a practice address at 100 N Church St, Richland Center, WI, 53581. Phone: (608) 647-3993. Providers update this record themselves, so call before visiting.
How can I verify Thomas G. Williams, DDS's license?
NPPES lists Wisconsin license number 3222, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas G. Williams, DDS prescribe under Medicare Part D?
In 2024, Thomas G. Williams, DDS had 44 Medicare Part D claims for 31 beneficiaries; the average among general practice dentistry prescribers was 83. 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.