Stillwater Billings Clinic Visiting Specialists

Specialty Clinics & Outreach Health Care Services in Columbus, MT

Stillwater Billings Clinic proudly hosts visiting specialists in the clinic each month. These specialty clinics bring quality healthcare expertise right here, close to home. Your primary care provider may make a referral to one of these specialists or you call us for more information.

• Cardiology - Zachary Appel, PA, is a provider who specializes in electrophysiology and cardiology.  
• Colonoscopy - Nathaniel Rieb, MD, provides colonoscopy services at Stillwater Billings Clinic. Dr. Rieb is a Billings surgeon who performs approximately 40 colonoscopies at Stillwater Billings Clinic every month. Colonoscopies and other screening tests can find precancerous polyps and remove them before they turn into cancer. Early detection is the key to diagnosis and treatment if needed. Colon cancer screening services include:
  • Fecal occult blood test
  • Sigmoidoscopy
  • Colonoscopy 
• Orthopedics - Do you have a bone or other skeletal injury? Are you suffering from degenerative joint disease, arthritis or a related condition? Are you in need of or have you had a joint replacement? A referral to an orthopedic clinic by your primary care provider will provide the expertise needed to get you on the road to recovery. Steven Fischer, MD, and Brian Sullivan, PA, provide these services through this specialty clinic.
• Podiatry - Services provided by David Ekman, DPM.
• Urology - If you have concerns about bladder dysfunction or prostate health, visit with your primary care provider about our urology clinic, which is serviced by Lawrence Klee, MD.

Visiting Specialists

Zachary Appel, PA

Cardiology

Nathan Rieb, MD

General Surgery (Colonoscopy)

Steven Fischer, MD

Orthopedics

Brian Sullivan, PA

Orthopedics

David Ekman, DPM

Podiatry

Lawrence Klee, MD

Urology