Zachary Case, DDS
Dentist · Onalaska, WI
Zachary Case, DDS is a dentist with a practice address in Onalaska, Wisconsin, and NPI 1568039162, issued on Jun 10, 2021. Check the license (Wisconsin 1002556, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Case
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 1002556 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1840 E Main St Ste 1, Onalaska, WI 54650
- Phone
- (608) 783-1306
- Enumerated
- Jun 10, 2021
- Record last updated
- Jun 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,750 in Wisconsin → Look up another NPI →
Verify Zachary Case in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1002556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average dentist in 2024
21 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin11 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.
Zachary Case among 1,750 dentist records in Wisconsin
Zachary Case, 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 2021, is newer than 80% of them.
- NPI issued2021 · 80% of these records are older, 18% 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 updated2021 · 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).
12 dentist records list a practice address in Onalaska
They are 12 of the 568 NPPES records with a practice address in Onalaska, and 1,750 dentist records in Wisconsin.
All 1,750 in Wisconsin → Every provider in Onalaska → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- William Baumgardner, D.D.S.Onalaska, WI 546501851501084
- Karolina Danieliszyn, DMDOnalaska, WI 546501750178745
- Katherine Eppolito, DMDOnalaska, WI 546501336998145
- Anelin Feilen, DDSOnalaska, WI 546501548550403
- Kevin Holly, DDSOnalaska, WI 546501407383037
- Christopher Kerbaugh, DDSLa Crosse, WI 546501134260953
- Charles Kessler, D.D.S.Onalaska, WI 546501629078035
- Shivani Kushwaha, DDSOnalaska, WI 546501144956053
Common questions
What is Zachary Case, DDS's NPI number?
Zachary Case, DDS's National Provider Identifier (NPI) is 1568039162, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Case, DDS located?
The NPPES record lists a practice address at 1840 E Main St Ste 1, Onalaska, WI, 54650. Phone: (608) 783-1306. Providers update this record themselves, so call before visiting.
How can I verify Zachary Case, DDS's license?
NPPES lists Wisconsin license number 1002556, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary Case, DDS prescribe under Medicare Part D?
In 2024, Zachary Case, DDS had 21 Medicare Part D claims for 20 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.