David J. Hoyer, M.D.
Emergency Medicine Physician · Green Bay, WI
David J. Hoyer, M.D. is an emergency medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1629051164, issued on Nov 29, 2005. Check the license (Wisconsin 43603-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David J. Hoyer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 43603-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 744 S Webster Ave, Green Bay, WI 54301
- Phone
- (920) 433-3500
- Enumerated
- Nov 29, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (920) 433-7932
- Medicaid ID
- 34215900 WI
- Medicare enrollment
- Enrolled (PECOS I20040929000048); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 744 S Webster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Aicher, D.O.Emergency Medicine Physician1336280585
- Manar Al Shahrouri, MDPulmonary Disease Physician1093731382
- Hannah Alsteen, FNP-CFamily Nurse Practitioner1649823881
- Kyle Anderson, CRNACertified Registered Nurse Anesthetist1205580313
- Lori Anderson, CRNACertified Registered Nurse Anesthetist1508953274
- Paul AndersonAnesthesiology Physician1750648481
Verify David J. Hoyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43603-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average emergency medicine physician in 2024
345 Medicare Part D claims for 231 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Cephalexin55 claims
- Prednisone46 claims
- Hydrocodone-Acetaminophen34 claims
- Amoxicillin-Clavulanate Potass18 claims
- Ondansetron Odt18 claims
- Azithromycin17 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
- Oconto Hospital And Medical Center IncOconto, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David J. Hoyer among 1,464 emergency medicine physician records in Wisconsin
David J. Hoyer, M.D. is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1999 · median 2011 among the 844 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Green Bay → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Adam Aicher, D.O.Green Bay, WI 543011336280585
- Megan BocchicchioGreen Bay, WI 543011932780657
- Paul Casey, M.D.Green Bay, WI 543011427031236
- Jason Coisman, DOGreen Bay, WI 543011538135926
- Jill Harman, M.D.Green Bay, WI 543011144203969
- Chase Hemphill, DOGreen Bay, WI 543011134689987
- Christopher Kolar, MDGreen Bay, WI 543011962638064
- Samuel Leaf, D.O.Green Bay, WI 543011295155596
Common questions
What is David J. Hoyer, M.D.'s NPI number?
David J. Hoyer, M.D.'s National Provider Identifier (NPI) is 1629051164, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David J. Hoyer, M.D. located?
The NPPES record lists a practice address at 744 S Webster Ave, Green Bay, WI, 54301. Phone: (920) 433-3500. Providers update this record themselves, so call before visiting.
How can I verify David J. Hoyer, M.D.'s license?
NPPES lists Wisconsin license number 43603-020, 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 J. Hoyer, M.D. prescribe under Medicare Part D?
In 2024, David J. Hoyer, M.D. had 345 Medicare Part D claims for 231 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.