Kenneth Felz, MD
Internal Medicine Physician · Middleton, WI
Kenneth Felz, MD is an internal medicine physician with a practice address in Middleton, Wisconsin, and NPI 1396717401, issued on Feb 2, 2006. Check the license (Wisconsin 29253, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth Felz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 29253 WI
Self-reported in NPPES; status is on the state search - Practice location
- 7780 Elmwood Ave, Middleton, WI 53562
- Phone
- (608) 417-3434
- Enumerated
- Feb 2, 2006
- Record last updated
- Feb 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 7780 Elmwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Davis, MDInternal Medicine Physician1366414161
- William Graf, DDSDentist1891861092
- Ioana Huibregtse, APN, FNP-CNurse Practitioner1073865598
- Sara Lasker, MED, MCHES, RMA, CDEHealth Educator1487016523
- Irene Mirkin, MDInternal Medicine Physician1912949256
- Paul Nemovitz, M.D.Internal Medicine Physician1871520890
Verify Kenneth Felz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 29253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,019 Medicare Part D claims for 330 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Simvastatin106 claims
- Lisinopril105 claims
- Atorvastatin Calcium100 claims
- Omeprazole96 claims
- Metoprolol Succinate83 claims
- Levothyroxine Sodium79 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.
Kenneth Felz among 2,078 internal medicine physician records in Wisconsin
Kenneth Felz, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2013 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Middleton
They are 10 of the 620 NPPES records with a practice address in Middleton, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Middleton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Davis, MDMiddleton, WI 535621366414161
- Nancy Fuller, MDMiddleton, WI 535621285601922
- James Giesen, MDMiddleton, WI 535621053388298
- Gerhard Kraske, MDMiddleton, WI 535621164415519
- Irene Mirkin, MDMiddleton, WI 535621912949256
- Paul Nemovitz, M.D.Middleton, WI 535621871520890
- Frances Priddy, MDMiddleton, WI 535621437317211
- Gregory Sheehy, MDMiddleton, WI 535621982665386
Common questions
What is Kenneth Felz, MD's NPI number?
Kenneth Felz, MD's National Provider Identifier (NPI) is 1396717401, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Felz, MD located?
The NPPES record lists a practice address at 7780 Elmwood Ave, Middleton, WI, 53562. Phone: (608) 417-3434. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Felz, MD's license?
NPPES lists Wisconsin license number 29253, 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 Kenneth Felz, MD prescribe under Medicare Part D?
In 2024, Kenneth Felz, MD had 2,019 Medicare Part D claims for 330 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.