Jeffrey Sharkus, D.D.S.
General Practice Dentistry · Fitchburg, WI
Jeffrey Sharkus, D.D.S. is a general practice dentistry with a practice address in Fitchburg, Wisconsin, and NPI 1730200098, issued on Apr 3, 2007. Check the license (Wisconsin 5861, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Sharkus
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 5861 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5950 Seminole Centre CT, Fitchburg, WI 53711
- Phone
- (608) 273-6500
- Enumerated
- Apr 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,305 in Wisconsin → Look up another NPI →
Also registered at 5950 Seminole Centre CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theresa Frankiewicz, RDHDental Hygienist1013330042
- David Penwell, D.D.S.General Practice Dentistry1235252768
Verify Jeffrey Sharkus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 5861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average general practice dentistry in 2024
13 Medicare Part D claims, 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.
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.
Jeffrey Sharkus among 2,305 general practice dentistry records in Wisconsin
Jeffrey Sharkus, D.D.S. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 43% 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 updated2007 · 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).
12 general practice dentistry records list a practice address in Fitchburg
They are 12 of the 740 NPPES records with a practice address in Fitchburg, and 2,305 general practice dentistry records in Wisconsin.
All 2,305 in Wisconsin → Every provider in Fitchburg → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Benjamin Farrow, D.D.S.Madison, WI 537111194854521
- Elizabeth Friend, DDSMadison, WI 537111700496007
- Scott Johnson, DDSFitchburg, WI 537111336187574
- Leah Johnson, D.D.S.Fitchburg, WI 537111861841470
- Ted LovcikFitchburg, WI 537111750335931
- Kelleen McClain, DDSFitchburg, WI 537111215981444
- Kyle MurphyMadison, WI 537111265599914
- Daniel O'Brien, DDSFitchburg, WI 537111962440123
Common questions
What is Jeffrey Sharkus, D.D.S.'s NPI number?
Jeffrey Sharkus, D.D.S.'s National Provider Identifier (NPI) is 1730200098, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Sharkus, D.D.S. located?
The NPPES record lists a practice address at 5950 Seminole Centre CT, Fitchburg, WI, 53711. Phone: (608) 273-6500. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Sharkus, D.D.S.'s license?
NPPES lists Wisconsin license number 5861, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jeffrey Sharkus, D.D.S. prescribe under Medicare Part D?
In 2024, Jeffrey Sharkus, D.D.S. had 13 Medicare Part D claims; 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.