Donald E. Keen, M.D.
Emergency Medicine Physician · Sheboygan, WI
Donald E. Keen, M.D. is an emergency medicine physician with a practice address in Sheboygan, Wisconsin, and NPI 1669793147, issued on Jun 18, 2010. Check the license (Wisconsin 73394, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Donald E. Keen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 73394 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Union Ave, Sheboygan, WI 53081
- Phone
- (920) 802-2605
- Enumerated
- Jun 18, 2010
- Record last updated
- Apr 8, 2025
- Medicaid ID
- 100100449 WI
- Medicare enrollment
- Enrolled (PECOS I20200707002077); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 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.
- Sumar AbushaqraFamily Nurse Practitioner1023488475
- Naohide Arakaki, CRNACertified Registered Nurse Anesthetist1457669582
- Jennifer Banholzer, NPNurse Practitioner1629841515
- Anushka BaruahGastroenterology Physician1669887675
- Tyler Beranek, D.O.Emergency Medicine Physician1134532435
- Joanna Betry, FNP-BCFamily Nurse Practitioner1578235214
Verify Donald E. Keen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 73394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average emergency medicine physician in 2024
87 Medicare Part D claims for 70 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass14 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.Burlington, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald E. Keen among 1,464 emergency medicine physician records in Wisconsin
Donald E. Keen, 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 2010, is newer than 56% of them.
- NPI issued2010 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2011 among the 844 with a school on file
- Record last updated2025 · 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).
28 emergency medicine physician records list a practice address in Sheboygan
They are 28 of the 1,385 NPPES records with a practice address in Sheboygan, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Sheboygan → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Tyler Beranek, D.O.Sheboygan, WI 530811134532435
- Max Geers, M.D.Sheboygan, WI 530811629417068
- Frederick Gould, M.D.Sheboygan, WI 530811629016472
- Jesse Justus, D.O.Sheboygan, WI 530811932487816
- Paul Knapp, D.O.Sheboygan, WI 530811447563200
- Timothy Koch, DOSheboygan, WI 530811497784847
- John Longano, MDSheboygan, WI 530811295711067
- Rizwan Loya, MDSheboygan, WI 530811447218755
Common questions
What is Donald E. Keen, M.D.'s NPI number?
Donald E. Keen, M.D.'s National Provider Identifier (NPI) is 1669793147, issued on Jun 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Donald E. Keen, M.D. located?
The NPPES record lists a practice address at 3400 Union Ave, Sheboygan, WI, 53081. Phone: (920) 802-2605. Providers update this record themselves, so call before visiting.
How can I verify Donald E. Keen, M.D.'s license?
NPPES lists Wisconsin license number 73394, 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 Donald E. Keen, M.D. prescribe under Medicare Part D?
In 2024, Donald E. Keen, M.D. had 87 Medicare Part D claims for 70 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.