Visiting Specialists

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For your convenience, the following specialty providers see and treat patients at Glacial Ridge Health System. A referral from your primary care physician may be required by your health insurance provider.

Allergy and Immunology
Dr. Brian Brennan specializes in the diagnosis and treatment of allergies, asthma, and related disorders of adults and children. 

Cardiology
The following physicians specialize in the diagnosis and treatment of heart and circulatory problems:

  • Richard Backes, M.D.
  • Jacob Dutcher, M.D.
  • Richard Jolkovsky, M.D.
  • John Mahowald, M.D.
  • Mark Martone, M.D.
  • Joe Nguyen, M.D.
  • Jamie Pelzel, M.D.
  • Wade Schmidt, M.D.
  • Timothy Schuchard, M.D.
  • Howard Zimring, M.D.

Dermatology
Dr. Rachel Schuneman specializes in treating conditions that affect the skin, hair, and nails.

Diagnostic Radiology
The following physicians specialize in the interpretation of X-Rays, CT Scans, MRI, Ultrasound and Nuclear Medicine:

  • Kamran Khaghany, M.D.
  • Tom Larson, M.D.
  • James A. Matter, M.D.
  • Vali Orandi, M.D.

ENT
Dr. Martin Janning specializes in the diagnosis and treatment including surgery of ear, nose, throat, face, or neck conditions.

Neurology
Dr. Kathleen Rieke specializes in the diagnosis and treatment of neurological problems.

Oncology
Dr. Hani Alkhatib specializes in the diagnosis and treatment of cancer.

Ophthalmology
Dr. John Dvorak specializes in the diagnosis and treatment of eye problems and performs surgical repair of the eye, including cataract surgery.

Orthopedics
Dr. Eric Nelson specializes in the care of the musculoskeletal system (bones, joints, muscles, tendons & ligaments) including surgery.

Pathology
The following physicians specialize in the interpretation of laboratory tissue and bodily fluid analysis:

  • Lee Cafferty, M.D.
  • Kent Donelan, M.D.
  • Steven Vanderwerf, M.D.

Sleep Studies
Dr. Martin Janning specializes in the diagnosis and treatment of sleep disorders. Dr. Janning is an ENT specialist.

Urology
Dr. Kurt Hansberry specializes in the treatment of the kidney, bladder and associated structures diseases including surgery.

To schedule an appointment with a specialist, call 320.634.4521.