Kenneth B. Bortin, MD
Cardiovascular Disease Physician · Lake Geneva, WI
Kenneth B. Bortin, MD is a cardiovascular disease physician with a practice address in Lake Geneva, Wisconsin, and NPI 1861554743, issued on Dec 15, 2006. Check the license (Wisconsin 26253-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth B. Bortin
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 26253-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- N2950 State Road 67, Lake Geneva, WI 53147
- Phone
- (262) 245-4990
- Enumerated
- Dec 15, 2006
- Record last updated
- Aug 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (262) 245-2655
- Medicaid ID
- 30583300 WI
- Medicare enrollment
- Enrolled (PECOS I20040918000190); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1979
- Entity
- Type 1 · individual
Also registered at N2950 State Road 67
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kenneth B. Bortin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 26253-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% more Medicare Part D claims than the average cardiovascular disease physician in 2024
6,033 Medicare Part D claims for 800 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate938 claims
- Eliquis705 claims
- Atorvastatin Calcium613 claims
- Losartan Potassium345 claims
- Rosuvastatin Calcium338 claims
- Metoprolol Tartrate314 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
- Mercy Health System CorporationLake Geneva, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cardiovascular Disease Physician providers in Wisconsin
There are 449 cardiovascular disease physician records in Wisconsin.
Other cardiovascular disease physician records in Wisconsin
- Katherine Abbo, MD FACCKenosha, WI1962488965
- Mateen Abidi, M.DLa Crosse, WI1730333980
- Michael Accavitti, M.D.Madison, WI1679952642
- Alexei Agapitov, M.D.Madison, WI1841201514
- Subhashish Agarwal, MDBrookfield, WI1134173875
- Arif Ahmad, MDMonroe, WI1881615516
- Maqsood Ahmad, M.DMilwaukee, WI1639143548
- Abdulmohsin Ahmadjee, M.DAppleton, WI1225370802
- Imdad Ahmed, MDJanesville, WI1053536219
- Raju Ailiani, MDLa Crosse, WI1831192194
Common questions
What is Kenneth B. Bortin, MD's NPI number?
Kenneth B. Bortin, MD's National Provider Identifier (NPI) is 1861554743, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth B. Bortin, MD located?
The NPPES record lists a practice address at N2950 State Road 67, Lake Geneva, WI, 53147. Phone: (262) 245-4990. Providers update this record themselves, so call before visiting.
How can I verify Kenneth B. Bortin, MD's license?
NPPES lists Wisconsin license number 26253-20, 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 Kenneth B. Bortin, MD prescribe under Medicare Part D?
In 2024, Kenneth B. Bortin, MD had 6,033 Medicare Part D claims for 800 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.