Martin Fedko
Emergency Medicine Physician · Janesville, WI
Martin Fedko is an emergency medicine physician with a practice address in Janesville, Wisconsin, and NPI 1134351430, issued on Aug 20, 2009. Check the license (Wisconsin 64551-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Martin Fedko
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 64551-20 WI
54102 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6611
- Enumerated
- Aug 20, 2009
- Record last updated
- Feb 21, 2024
- Fax
- (608) 756-6177
- Medicaid ID
- ENROLLED MN
- 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 Martin Fedko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64551-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
18 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Martin Fedko among 1,464 emergency medicine physician records in Wisconsin
Martin Fedko 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 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 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
- Franz Keilhauer, MDJanesville, WI 535481295817047
- 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 Martin Fedko's NPI number?
Martin Fedko's National Provider Identifier (NPI) is 1134351430, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Martin Fedko located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6611. Providers update this record themselves, so call before visiting.
How can I verify Martin Fedko's license?
NPPES lists Wisconsin license number 64551-20, 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 Martin Fedko prescribe under Medicare Part D?
In 2024, Martin Fedko had 18 Medicare Part D claims; 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.