Brenda L. Boschek, M.D.
Internal Medicine Physician · Oconomowoc, WI
Brenda L. Boschek, M.D. is an internal medicine physician with a practice address in Oconomowoc, Wisconsin, and NPI 1154393833, issued on Feb 6, 2006. Check the license (Wisconsin 41423, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brenda L. Boschek
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 41423 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1185 Corporate Center Drive, Oconomowoc, WI 53066
- Phone
- (262) 928-8400
- Enumerated
- Feb 6, 2006
- Record last updated
- Nov 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (262) 928-8484
- Medicaid ID
- 34257100 WI
- Medicare enrollment
- Enrolled (PECOS I20060525000047); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1998
- Entity
- Type 1 · individual
Verify Brenda L. Boschek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 41423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average internal medicine physician in 2024
6,122 Medicare Part D claims for 471 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 95 claims were for opioids.
Most prescribed
- Atorvastatin Calcium531 claims
- Levothyroxine Sodium313 claims
- Amlodipine Besylate312 claims
- Losartan Potassium268 claims
- Metoprolol Succinate196 claims
- Rosuvastatin Calcium188 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
- Prohealth Medical Group IncWatertown, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
12 internal medicine physician records list a practice address in Oconomowoc
They are 12 of the 506 NPPES records with a practice address in Oconomowoc, and 2,078 internal medicine physician records in Wisconsin.
All 12 in Oconomowoc → All 2,078 in Wisconsin → Every provider in Oconomowoc →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Brenda L. Boschek, M.D.'s NPI number?
Brenda L. Boschek, M.D.'s National Provider Identifier (NPI) is 1154393833, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brenda L. Boschek, M.D. located?
The NPPES record lists a practice address at 1185 Corporate Center Drive, Oconomowoc, WI, 53066. Phone: (262) 928-8400. Providers update this record themselves, so call before visiting.
How can I verify Brenda L. Boschek, M.D.'s license?
NPPES lists Wisconsin license number 41423, 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 Brenda L. Boschek, M.D. prescribe under Medicare Part D?
In 2024, Brenda L. Boschek, M.D. had 6,122 Medicare Part D claims for 471 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.