AcceptsMedicare.com

Doctors That Accept Medicare in Onalaska, WI

440 Medicare-enrolled clinicians · CMS data, refreshed 2026-06-26

These are 440 clinicians enrolled in Medicare and practicing in Onalaska, grouped by specialty below. Being enrolled means they can bill Original Medicare for your care. Most also accept assignment — they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. Call first to confirm they're accepting new Medicare patients.

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Providers in Onalaska by Specialty

Family Medicine(20)

  • Amy Strain, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Chad Thurman, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Christine Jacobsen, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • David Baumann, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Donna Hoffman, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Jill McMullen, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Julie Gerig, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kimberly Coyne, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kimberly Hardy, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kimberly Lansing, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Mary Morris, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Robb Kline, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Robyn Borge, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Aaron Olson, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Austin Phippen, DO

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Benjamin Dilger, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignmentTelehealth available

  • Daniel Maccharles, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Erica Zell, DO

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignmentTelehealth available

  • Jennifer Althoff, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Michael Rogge, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Internal Medicine(20)

  • Daniel Ecklund, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • James Munn, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • John Conzemius, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • John Herath, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kamel Gharaibeh, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kazi Rayhan, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Kyla Lee, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Mary Crissler Belanger, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Mary Zaky, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Melanie Solum, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Michael Witcik, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Rick Erdman, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Sarah Naik, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Stephen Wissink, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Thomas Leece, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Jeffrey Addison, DO

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Stephen Wissink, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Swapna Ravi, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Caroline Fisher, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Hussam Jenad, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignmentTelehealth available

Geriatric Medicine(1)

  • Mary Bassing, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

Cardiology(7)

  • David Ludden, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Jamal Janjua, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Raju Ailiani, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Jamal Janjua, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Raju Ailiani, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Ward Brown, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Monique Freund, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Optometry(11)

  • Robert Ruprecht, OD

    3107 Market Pl, Onalaska54650

    📞 (608) 781-7150May accept assignment

  • Amy Atherton, OD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Kristen Reierson, OD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Ashley Stehl, OD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Filomena Larson, OD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Stephanie Laliberte Lorenz, OD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Todd Verdon, OD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Dean Wetzel, OD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Douglas Wesely, OD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Gretchen Kelly, OD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Misty Watters

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Ophthalmology(6)

  • Steven Whitford, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Suzanne Falkenberry, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Jennifer Garvey, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Michael Garvey, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Michael Scott, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Nitika Arora, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Podiatry(8)

  • Andrew Elliott, DPM

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Craig Sullivan, DPM

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • David Dawson, DPM

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Devin Simonson, DPM

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Heather Chestelson, DPM

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • David Dawson, DPM

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Magali Fournier, DPM

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Paulet Voigt, DPM

    Preferred Podiatry Group PC

    861 Critter Court, Onalaska54650

    📞 (608) 793-5120Accepts assignment

Orthopedic Surgery(9)

  • Aaron Butler, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Scott Bassuener, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Steven Klein, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignment

  • Bradley Fowler, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Justin Mitchell, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Laura Klingbeil

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Mark Topolski, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Steven Klein, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Scott Kuzma, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Dermatology(13)

  • Kurt Mueller, MD

    Gundersen Clinic Ltd

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Yongxue Yao, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Amy Wentland, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • April Farrell, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Clarence Brown, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Nancy Leitch, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Seymour Weaver III, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignment

  • Yongxue Yao, MD

    Gundersen Lutheran Medical Center Inc

    3111 Gundersen Dr, Onalaska54650

    📞 (608) 782-7300Accepts assignmentTelehealth available

  • Daniel Schissel, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Hans Von Weiss, DO

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Kevin Boyd, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Martin Dittmer, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

  • Rebecca Danhof, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignment

Urology(3)

  • Chris Hofland, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Dana Rademacher, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignmentTelehealth available

  • Scott Pate, MD

    Mayo Clinic Health System-Southwest Wisconsin Region Inc

    191 Theater Rd, Onalaska54650

    📞 (608) 392-5000Accepts assignmentTelehealth available

Neurology(2)

  • Rachel Biemiller, MD

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

  • Ragasri Kumar Merkes, DO

    Gundersen Clinic Ltd

    1600 Main St, Onalaska54650

    📞 (608) 783-4681Accepts assignmentTelehealth available

Showing the largest specialties in this city (100 of 150 listed providers). Call ahead — not every Medicare-enrolled clinician here fits on one page.

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Frequently Asked Questions

Are these doctors in Onalaska accepting new Medicare patients?

We can't say for sure — CMS's enrollment data confirms a provider is enrolled in Medicare, not whether their practice is currently open to new patients. Call first to confirm they're accepting new Medicare patients before you book.

What does "accepts Medicare assignment" mean?

It means the provider takes Medicare's approved amount as full payment for a covered service, so you only owe your normal deductible and 20% coinsurance — no extra charges. A provider marked "may accept assignment" can go either way, so ask when you call.

Will these doctors work with my Medicare Advantage plan?

Not necessarily. This directory is built from Medicare enrollment data, which applies to Original Medicare. If you have a Medicare Advantage plan, your plan's own network determines who's covered — check your plan's directory first, then confirm with the office directly.

Does Original Medicare cover dental care from these providers?

Original Medicare does not cover routine dental care like cleanings, fillings, or dentures. Some Medicare Advantage plans include dental benefits. See our guide on what Medicare does and doesn't cover for dental.

Provider data from the CMS Doctors and Clinicians National Downloadable File, refreshed 2026-06-26. Directory information only, not medical or insurance advice. View all Medicare doctors in Wisconsin →

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