Karen Maurer, PA-C
Physician Assistant · Oconomowoc, WI
Karen Maurer, PA-C is a physician assistant with a practice address in Oconomowoc, Wisconsin, and NPI 1063489755, issued on Mar 2, 2006. Check the license (Wisconsin 462-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Maurer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 462-23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1185 Corporate Center Dr Ste 300, Oconomowoc, WI 53066
- Phone
- (888) 938-3838
- Enumerated
- Mar 2, 2006
- Record last updated
- Apr 25, 2023
- Fax
- (888) 919-1083
- Medicare enrollment
- Enrolled (PECOS I20080912000128); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1185 Corporate Center Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tiffany Fontaine, PA-CPhysician Assistant1639309057
Verify Karen Maurer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 462-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average physician assistant in 2024
454 Medicare Part D claims for 133 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pantoprazole Sodium140 claims
- Omeprazole118 claims
- Linzess60 claims
- Mesalamine20 claims
- Budesonide Ec16 claims
- Famotidine11 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
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Maurer among 3,475 physician assistant records in Wisconsin
Karen Maurer, PA-C is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1986 · median 2016 among the 2,491 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 physician assistant records list a practice address in Oconomowoc
They are 16 of the 506 NPPES records with a practice address in Oconomowoc, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Oconomowoc → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elana Contorno, PA-CSummit, WI 530661295750479
- Eric Elliot, DMSC, PA-COconomowoc, WI 530661508825605
- Sandra Hansen, PA-CSummit, WI 530661174565170
- Adam Kelly, PASummit, WI 530661891974218
- Catherine Keulks-Torinus, P.A.C.Oconomowoc, WI 530661114903481
- Nicole Kujawa, PAOconomowoc, WI 530661174628341
- Wanda Marquart, PACSummit, WI 530661669420816
- Nancy Matthews, P.A.Oconomowoc, WI 530661649256686
Common questions
What is Karen Maurer, PA-C's NPI number?
Karen Maurer, PA-C's National Provider Identifier (NPI) is 1063489755, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Maurer, PA-C located?
The NPPES record lists a practice address at 1185 Corporate Center Dr Ste 300, Oconomowoc, WI, 53066. Phone: (888) 938-3838. Providers update this record themselves, so call before visiting.
How can I verify Karen Maurer, PA-C's license?
NPPES lists Wisconsin license number 462-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Maurer, PA-C prescribe under Medicare Part D?
In 2024, Karen Maurer, PA-C had 454 Medicare Part D claims for 133 beneficiaries; the average among physician assistant prescribers was 830. 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.