STEPHEN WISSINK, MD
GLMC LA CROSSE CLINIC
Direct Primary Care
Managing complex adult health needs through preventive care and ongoing chronic disease management.
Credentials & Training
Federally verified- Credential
- MD
- Medical school
- Washington University School of Medicine
- Graduated
- 1994
- Medicare specialty
- Internal Medicine
- Group practice
- Gundersen Clinic Ltd · 422 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked September 2026.
About
Stephen Wissink, MD, practices in La Crosse. The physician has a long history of experience, having graduated from Washington University School of Medicine in 1994.
Internal medicine focuses on the diagnosis and treatment of complex illnesses in adults. Care encompasses managing chronic conditions such as heart disease, diabetes, and kidney disease, alongside preventive health screenings.
The practice operates as a direct-pay service, meaning patients pay for services directly rather than through traditional insurance billing. Medicare assignment is accepted.
Areas of Focus
Conditions Treated
Specialties
Patients Served
Frequently Asked Questions
What does an internal medicine physician generally treat?
Internal medicine focuses on the diagnosis and treatment of complex illnesses in adults. Care encompasses managing chronic conditions such as heart disease, diabetes, and kidney disease, alongside preventive health screenings.
Does this provider accept Medicare?
Yes, the provider accepts Medicare assignment.
What is the payment structure for visits?
The practice operates as a direct-pay service, meaning patients pay for services directly rather than through traditional insurance billing.
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