NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861554743
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at N2950 State Road 67

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Anderson, MDObstetrics & Gynecology Physician1487662060
  2. Anshul Bamrolia, MDHematology & Oncology Physician1942361662
  3. Hamik Biramian, DOEmergency Medicine Physician1689817488
  4. Andrea Boeckman, MDObstetrics & Gynecology Physician1194882514
  5. Ashley Boro, OTOccupational Therapist1013421908
  6. Samuel Cannon, CRNACertified Registered Nurse Anesthetist1831432996

Verify Kenneth B. Bortin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 26253-20
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

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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.

  1. Kenneth Bortin6,033
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate938 claims
  2. Eliquis705 claims
  3. Atorvastatin Calcium613 claims
  4. Losartan Potassium345 claims
  5. Rosuvastatin Calcium338 claims
  6. 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

  1. 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

  1. Katherine Abbo, MD FACCKenosha, WI1962488965
  2. Mateen Abidi, M.DLa Crosse, WI1730333980
  3. Michael Accavitti, M.D.Madison, WI1679952642
  4. Alexei Agapitov, M.D.Madison, WI1841201514
  5. Subhashish Agarwal, MDBrookfield, WI1134173875
  6. Arif Ahmad, MDMonroe, WI1881615516
  7. Maqsood Ahmad, M.DMilwaukee, WI1639143548
  8. Abdulmohsin Ahmadjee, M.DAppleton, WI1225370802
  9. Imdad Ahmed, MDJanesville, WI1053536219
  10. 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.