Clinicians affiliated with Aspirus Medical Group, Inc.

268 clinicians on file with this group · most practice in Wausau, WI · PAC ID 1052223625

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

234 clinicians affiliated with Aspirus Medical Group, Inc. are in the 2024 Medicare Part B data, 120 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Nurse Practitioner (60) · Physician Assistant (41) · Family Practice (20) · Neurology (20) · Urology (11) · Internal Medicine (9) · Obstetrics & Gynecology (8) · Cardiology (7) · Orthopedic Surgery (7) · Podiatry (7) · Interventional Cardiology (5) · Nephrology (4) · Psychiatry (4) · Clinical Cardiac Electrophysiology (3) · Hospitalist (3) · Neurosurgery (3) · Physical Medicine and Rehabilitation (3) · Registered Dietitian or Nutrition Professional (3) · Thoracic Surgery (3) · Pediatric Medicine (2) · Plastic and Reconstructive Surgery (2) · Psychologist, Clinical (2) · Cardiac Surgery (1) · Emergency Medicine (1) · General Practice (1) · General Surgery (1) · Gynecological Oncology (1) · Licensed Professional Counselor (1) · Sports Medicine (1)

Specialty links go to the specialty in Wausau, WI.

Clinicians affiliated with Aspirus Medical Group, Inc., 2024

Alphabetical by last name; 201–234 of 234.

NameSpecialtyCity
Amy A Sweet, M.D.Pediatric MedicineWeston, WI
Emily Tan, DOOrthopedic SurgeryPort Huron, MI
Jaren Thomas, M.D.Internal MedicineMilwaukee, WI
Kevin J Townshend, MDFamily PracticeWausau, WI
James M Tracey, MDUrologyAnn Arbor, MI
Alexander R Trecartin, MDFamily PracticeWausau, WI
Yi-Jou Tsai, M.D.NeurologyDenver, CO
Rebecca Tuley, PA-CPhysician AssistantWausau, WI
Adam M Tuttle, M.D.Physical Medicine and RehabilitationChicago, IL
Michael A Umland, MDFamily PracticeWausau, WI
David A Valentine, M.D.NeurologySouth Pasadena, CA
Vinod Valentine, M.D.Pediatric MedicineSt Petersburg, FL
Carl J Viviano, M.D.UrologyWausau, WI
Jayanna Volm, APNPNurse PractitionerPlover, WI
Casey T Waldvogel, APNPNurse PractitionerWausau, WI
Meghan Walls, FNP-BCNurse PractitionerWausau, WI
Helen A WalshNurse PractitionerWausau, WI
Laura S WargowskyNurse PractitionerMarshfield, WI
Timothy E WasanoNurse PractitionerWausau, WI
Aaron Weaver, MDFamily PracticeIowa City, IA
Lisa J Weber, PA-CPhysician AssistantWausau, WI
Melissa J Wendell, FNPCNurse PractitionerWausau, WI
Lisa M Werner, NPNurse PractitionerWausau, WI
Stephanie Werner, APNPNurse PractitionerWausau, WI
Tyler J WimmerPhysician AssistantWausau, WI
Ashley J Wirtz, M.D.Family PracticeMosine, WI
Morgan B Witteman, NPNurse PractitionerMerrill, WI
Timothy P Wogahn, MDFamily PracticeWisconsin Rapids, WI
Aaron Wright, APRNNurse PractitionerAntigo, WI
Emily YenterPhysician AssistantWausau, WI
Brent E Zastrow, D.P.M.PodiatryWausau, WI
Michael E Zevitz, M.D.Internal MedicineNorway, MI
Ran Zhang, M.D.Obstetrics & GynecologyMadison, WI
Danylo Zorin, M.DHospitalistWausau, WI

Practice locations

Listed practice locations in Michigan, Wisconsin.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations