Franz A. Keilhauer, MD
Emergency Medicine Physician · Janesville, WI
Franz A. Keilhauer, MD is an emergency medicine physician with a practice address in Janesville, Wisconsin, and NPI 1295817047, issued on Oct 20, 2006. Check the license (Wisconsin 36489, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Franz A. Keilhauer
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 36489 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6000
- Enumerated
- Oct 20, 2006
- Record last updated
- Dec 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 32115500 WI
- Medicare enrollment
- Enrolled (PECOS I20040329000135); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1991
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Franz A. Keilhauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average emergency medicine physician in 2024
152 Medicare Part D claims for 106 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen24 claims
- Ondansetron Odt11 claims
- Prednisone11 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
- The Monroe Clinic, Inc.Monroe, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Franz A. Keilhauer among 1,464 emergency medicine physician records in Wisconsin
Franz A. Keilhauer, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1991 · median 2011 among the 844 with a school on file
- Record last updated2020 · 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).
40 emergency medicine physician records list a practice address in Janesville
They are 40 of the 1,538 NPPES records with a practice address in Janesville, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Janesville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rachel Allen, MDJanesville, WI 535481184823999
- Yone Amuka, MDJanesville, WI 535481790929693
- Kevin Dardis, DOJanesville, WI 535481609894526
- Martin FedkoJanesville, WI 535481134351430
- Joseph Kovacic, DOJanesville, WI 535481144419896
- Louis Kroot, M.D.Janesville, WI 535481649239658
- Sean Marquis, MDJanesville, WI 535481053554089
- Joseph Mastromarino, MDJanesville, WI 535481568471985
Common questions
What is Franz A. Keilhauer, MD's NPI number?
Franz A. Keilhauer, MD's National Provider Identifier (NPI) is 1295817047, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Franz A. Keilhauer, MD located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6000. Providers update this record themselves, so call before visiting.
How can I verify Franz A. Keilhauer, MD's license?
NPPES lists Wisconsin license number 36489, 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 Franz A. Keilhauer, MD prescribe under Medicare Part D?
In 2024, Franz A. Keilhauer, MD had 152 Medicare Part D claims for 106 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.