Thomas Robert Machak, D.D.S.
General Practice Dentistry · Omro, WI
Thomas Robert Machak, D.D.S. is a general practice dentistry with a practice address in Omro, Wisconsin, and NPI 1790752020, issued on Mar 6, 2006. Check the license (Wisconsin 3974, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Robert Machak
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3974 WI
Self-reported in NPPES; status is on the state search - Practice location
- 123 W Main St, Omro, WI 54963
- Phone
- (920) 685-5893
- Enumerated
- Mar 6, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (920) 685-7375
- Entity
- Type 1 · individual
Verify Thomas Robert Machak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3974Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average general practice dentistry in 2024
97 Medicare Part D claims for 71 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin80 claims
- Clindamycin Hcl12 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.
2 general practice dentistry records list a practice address in Omro
They are 2 of the 48 NPPES records with a practice address in Omro, and 2,305 general practice dentistry records in Wisconsin.
All 2 in Omro → All 2,305 in Wisconsin → Every provider in Omro →
Other general practice dentistry records in Wisconsin
- Komail Abbas, D.M.D.Kenosha, WI1114206109
- Dennis Abere, DDSWaukesha, WI1962585281
- Caleb Abfall, DDSGreen Bay, WI1336851765
- Margaret Aboagye, DDSRacine, WI1629150289
- Jennifer Abraham, D.D.S.Thiensville, WI1295944619
- Reena Abraham, DMDMarshfield, WI1457589491
- Theresa Adamczyk, DDSOshkosh, WI1962882308
- Frances Adjepon-YamoahMadison, WI1689281081
- Mohamed Adl, DDSWest Allis, WI1083640460
- Dennis Adler, DDSMount Horeb, WI1083787626
Common questions
What is Thomas Robert Machak, D.D.S.'s NPI number?
Thomas Robert Machak, D.D.S.'s National Provider Identifier (NPI) is 1790752020, issued on Mar 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Robert Machak, D.D.S. located?
The NPPES record lists a practice address at 123 W Main St, Omro, WI, 54963. Phone: (920) 685-5893. Providers update this record themselves, so call before visiting.
How can I verify Thomas Robert Machak, D.D.S.'s license?
NPPES lists Wisconsin license number 3974, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Robert Machak, D.D.S. prescribe under Medicare Part D?
In 2024, Thomas Robert Machak, D.D.S. had 97 Medicare Part D claims for 71 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.