David G. Holzer, MD
Hospitalist Physician · Sheboygan, WI
David G. Holzer, MD is a hospitalist physician with a practice address in Sheboygan, Wisconsin, and NPI 1619556172, issued on Apr 3, 2021. Check the license (Wisconsin 83667, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David G. Holzer
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 83667 WI
12974706-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Union Ave, Sheboygan, WI 53081
- Phone
- (920) 802-2100
- Enumerated
- Apr 3, 2021
- Record last updated
- Aug 28, 2024
- Fax
- (920) 802-1500
- Medicaid ID
- 100279366 WI
- Medicare enrollment
- Enrolled (PECOS I20240704000707); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2021
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 3400 Union Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David G. Holzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 83667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hospitalist physician in 2024
174 Medicare Part D claims for 58 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel14 claims
- Atorvastatin Calcium13 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Sheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David G. Holzer among 894 hospitalist physician records in Wisconsin
David G. Holzer, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% 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 87% of them.
- NPI issued2021 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2021 · median 2011 among the 768 with a school on file
- Record last updated2024 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 hospitalist physician records list a practice address in Sheboygan
They are 20 of the 1,385 NPPES records with a practice address in Sheboygan, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Sheboygan → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Noormuhammad Abbasakoor, M.D.Sheboygan, WI 530811558645895
- Heidi Bemis, MDSheboygan, WI 530811295745040
- Grant Boschult, MDSheboygan, WI 530811346516820
- Tochukwu Igwe, MDSheboygan, WI 530811376890392
- Kevin Johnson, MDSheboygan, WI 530811235247479
- David Jorgensen, MDSheboygan, WI 530811497383541
- Harpreet Kaur, M.D.Sheboygan, WI 530811508121286
- Brett KnudsenSheboygan, WI 530811861953721
Common questions
What is David G. Holzer, MD's NPI number?
David G. Holzer, MD's National Provider Identifier (NPI) is 1619556172, issued on Apr 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David G. Holzer, MD located?
The NPPES record lists a practice address at 3400 Union Ave, Sheboygan, WI, 53081. Phone: (920) 802-2100. Providers update this record themselves, so call before visiting.
How can I verify David G. Holzer, MD's license?
NPPES lists Wisconsin license number 83667, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David G. Holzer, MD prescribe under Medicare Part D?
In 2024, David G. Holzer, MD had 174 Medicare Part D claims for 58 beneficiaries; the average among hospitalist physician prescribers was 521. 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.