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Doctors That Accept Medicare in Oostburg, WI

25 Medicare-enrolled clinicians · CMS data, refreshed 2026-07-31

These are 25 clinicians enrolled in Medicare and practicing in Oostburg, grouped by specialty below. Being enrolled means they can bill Original Medicare for your care. 100% accept assignment — they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. The largest specialty here is Diagnostic Radiology (8 clinicians). Call first to confirm they're accepting new Medicare patients.

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Providers in Oostburg by Specialty

Family Medicine(2)

  • Megan Butler, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Sarah Bustos, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Internal Medicine(1)

  • Ravindra Hanumaiah, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Neurology(1)

  • Thomas Zweifel, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Diagnostic Radiology(8)

  • Frederick Joachim III, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Johnathan Au, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Kristin Joachim, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Mehul Doshi, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Nami Zarvan, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Ronan Smyth, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Ryan Peirce, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Tyler Bailey

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Nurse Practitioner(6)

  • Amy Schmidt, NP

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Angela Montague

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Heather Meeusen

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Kaitlan Hoelz, NP

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Laura Alsteen

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Tamara Marie Marshall

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Chiropractic(3)

  • Eric Hartman, CH

    1205 Wisconsin Ave, Oostburg53070

    📞 (920) 564-6672Accepts assignment

  • Dirk Dulmes, DC

    Lakeland Chiropractic- Oostburg

    220 S Business Park Dr, Suite A7, Oostburg53070

    📞 (920) 564-6061Accepts assignment

  • Wade Bemis, CH

    Lakeland Chiropractic- Oostburg

    220 S Business Park Dr, Suite A7, Oostburg53070

    📞 (920) 564-6061Accepts assignment

Physician Assistant(2)

  • Jennifer Zastrow

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

  • Kelsey Lauterbach

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Endocrinology(1)

  • Maria Fernandez Manrique, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignmentTelehealth available

Rheumatology(1)

  • Nouman Syed, MD

    St. Nicholas Hospital-Sisters Of The Third Order Of St Francis

    15 S 10th St, Suite A, Oostburg53070

    📞 (920) 552-5046Accepts assignment

Other Cities in Wisconsin

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Frequently Asked Questions

Are these doctors in Oostburg 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.

Do doctors in Oostburg accept Medicare assignment?

100% of the 25 Medicare-enrolled clinicians listed in Oostburg accept assignment — meaning they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. Another 0% are marked "may accept assignment," 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.

Do any doctors in Oostburg offer telehealth visits?

4% of the Medicare-enrolled clinicians listed in Oostburg offer telehealth, per CMS enrollment data. Look for the "Telehealth available" badge below, and confirm with the office which visit types they offer remotely.

Provider data from the CMS Doctors and Clinicians National Downloadable File, refreshed 2026-07-31. Directory information only, not medical or insurance advice. View all Medicare doctors in Wisconsin →

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