NPPES file of Aug 9, 2026

Rebecca Ann Kollross, PA-C

Physician Assistant · Weston, WI

Rebecca Ann Kollross, PA-C is a physician assistant with a practice address in Weston, Wisconsin, and NPI 1144875824, issued on Aug 8, 2019. Check the license (Wisconsin 4839, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144875824
Name
Rebecca Ann Kollross
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
4839 WI
Self-reported in NPPES; status is on the state search
Practice location
3400 Ministry Pkwy, Weston, WI 54476
Phone
(715) 393-1000
Enumerated
Aug 8, 2019
Record last updated
Apr 20, 2023
Medicare enrollment
Enrolled (PECOS I20190918000074); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2019
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 3400 Ministry Pkwy

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

  1. Mohamed Fouzi Abdul Hameed, M.D.Hospitalist Physician1255590899
  2. Olusolape Adegbehingbe, M.DHospitalist Physician1679756977
  3. Melissa Aebly, MDAnesthesiology Physician1811152739
  4. Tricia Andrews, PT, DPTPhysical Therapist1780492926
  5. Emily Bartig, PA-CPhysician Assistant1558066977
  6. Ryan Bemke, M.D.Clinical Pathology/Laboratory Medicine Physician1295182350

Verify Rebecca Ann Kollross 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 4839
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average physician assistant in 2024

1,924 Medicare Part D claims for 432 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Rebecca Kollross1,924
  2. Specialty average830

Most prescribed

  1. Eliquis192 claims
  2. Atorvastatin Calcium181 claims
  3. Pantoprazole Sodium149 claims
  4. Metoprolol Succinate130 claims
  5. Clopidogrel113 claims
  6. Isosorbide Mononitrate Er69 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.7
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $26.90

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rebecca Kollross$26.90
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mchs Hospitals IncMarshfield, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rebecca Ann Kollross among 3,475 physician assistant records in Wisconsin

Rebecca Ann Kollross, 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 2019, is newer than 66% of them.

  • NPI issued2019 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2019 · 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 Weston

They are 16 of the 368 NPPES records with a practice address in Weston, and 3,475 physician assistant records in Wisconsin.

The 8 physician assistant records with the nearest ZIP codes

  1. Elijah Blair, MPAS, PA-CWeston, WI 544761336663863
  2. Martin Digler, PAWeston, WI 544761992955322
  3. Patrick Earll, PACWeston, WI 544761073611802
  4. Michele Federici, PA-CWeston, WI 544761043495955
  5. Kayla FriedersWeston, WI 544761881327286
  6. Cally Gordon-Haessly, PA-CWeston, WI 544761831754381
  7. Ana Holliday, PAWeston, WI 544761548294887
  8. Thomas Humphrey, PAWeston, WI 544761275623423

Common questions

What is Rebecca Ann Kollross, PA-C's NPI number?

Rebecca Ann Kollross, PA-C's National Provider Identifier (NPI) is 1144875824, issued on Aug 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Ann Kollross, PA-C located?

The NPPES record lists a practice address at 3400 Ministry Pkwy, Weston, WI, 54476. Phone: (715) 393-1000. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Ann Kollross, PA-C's license?

NPPES lists Wisconsin license number 4839, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Rebecca Ann Kollross, PA-C prescribe under Medicare Part D?

In 2024, Rebecca Ann Kollross, PA-C had 1,924 Medicare Part D claims for 432 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Rebecca Ann Kollross, PA-C's MIPS final score?

The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.