NPPES file of Aug 9, 2026

Joanne R. Timmerman, PA-C

Physician Assistant · Summit, WI

Joanne R. Timmerman, PA-C is a physician assistant with a practice address in Summit, Wisconsin, and NPI 1275795940, issued on Jun 25, 2008. Check the license (Wisconsin 2263, as entered in NPPES) with the Wisconsin board that licenses this profession; 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
1275795940
Name
Joanne R. Timmerman
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
2263 WI
Self-reported in NPPES; status is on the state search
Practice location
36500 Aurora Dr, Summit, WI 53066
Phone
(262) 434-5029
Enumerated
Jun 25, 2008
Record last updated
Jul 24, 2024
Medicaid ID
42003300 WI
Medicare enrollment
Enrolled (PECOS I20080729000155); accepts Medicare assignment
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 36500 Aurora Dr

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

  1. Jihan Akhtar Bhikhapurwala, MDOphthalmology Physician1679894901
  2. Tulay Aksoy, MDInternal Medicine Physician1245485697
  3. Inna Allen, M.D.Family Medicine Physician1649581315
  4. Benjamin Andrew, M.D.Surgery Physician1083000863
  5. Steven Andrews, MDEmergency Medicine Physician1649224767
  6. Karina Arkush, MDNeurology Physician1659690741

Verify Joanne R. Timmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 2263
    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
Find the Wisconsin license search

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89% fewer Medicare Part D claims than the average physician assistant in 2024

91 Medicare Part D claims for 34 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Joanne Timmerman91
  2. Specialty average830

Most prescribed

  1. Tamsulosin Hcl26 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. 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).

22 physician assistant records list a practice address in Summit

They are 22 of the 250 NPPES records with a practice address in Summit, and 3,475 physician assistant records in Wisconsin.

Other physician assistant records in Wisconsin

  1. Amber Abraham, PA-CGreen Bay, WI1598993297
  2. Roopa AchuriNeenah, WI1225531635
  3. Carleen Acker, PA-CMadison, WI1447514773
  4. Lauren Ackerman, PA-CCudahy, WI1992357982
  5. Jocelyn Acompanado, PA-CSheboygan, WI1770521486
  6. Kora Adam, PA-CBurlington, WI1952666554
  7. Stephanie Adamczyk, PAMilwaukee, WI1063007441
  8. Kristen Adamo, PANew Berlin, WI1437179520
  9. Beth Adams, PA-CMequon, WI1801237540
  10. Eric Adams, PAGreen Bay, WI1528445087

Common questions

What is Joanne R. Timmerman, PA-C's NPI number?

Joanne R. Timmerman, PA-C's National Provider Identifier (NPI) is 1275795940, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joanne R. Timmerman, PA-C located?

The NPPES record lists a practice address at 36500 Aurora Dr, Summit, WI, 53066. Phone: (262) 434-5029. Providers update this record themselves, so call before visiting.

How can I verify Joanne R. Timmerman, PA-C's license?

NPPES lists Wisconsin license number 2263, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Joanne R. Timmerman, PA-C prescribe under Medicare Part D?

In 2024, Joanne R. Timmerman, PA-C had 91 Medicare Part D claims for 34 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.