Internal Medicine

Complete Care for Adults  – Internal Medicine

Farmington   Tel:    651-460-2300  Fax:  651-460-2301

Northfield   Tel:  507-646-1494   Fax:  507-646-6870

Internal medicine doctors (Internists) help with whatever problem a patient has  - no matter how common or rare,  how simple or complex. We are specially trained to solve puzzling health problems, and can treat severe chronic illnesses as well as situations where several different illnesses may strike at the same time. We also bring an understanding of wellness and disease prevention to your care. 

Caring for the Whole Patient 

An Internist is an expert in  diagnosis, treatment, and compassionate care of adults, including  the elderly. We provide long-term, comprehensive care in the clinic and in the hospital. Internists have advanced training to diagnosis and treat complex medical problems and  manage  chronic diseases. We take pride in building a positive, supportive relationship with you. 

Services We Offer:

  • Check-ups and annual physicals
  • Chronic disease management
  • Geriatric care
  • Hospital Medicine
  • In-Office procedures
  • Immunizations and flu shots
  • Pre-Travel consultations
  • Preventive care

Conditions We Treat:

Chronic diseases such as:

  • Abnormal heart rhythms (like atrial fibrillation)
  • Anticoagulation management
  • Arthritis
  • Asthma
  • COPD/Emphysema
  • Dementia/Cognitive Impairment
  • Diabetes
  • Heart disease
  • Heart failure
  • Hypertension (high blood pressure)

Acute illness such as:

  • Abdominal pain
  • Allergies
  • Bowel issues
  • Cellulitis
  • Cold and flu symptoms
  • Diverticulitis
  • Headaches
  • Infectious problems
  • Joint pain
  • Nausea/Vomiting
  • Pneumonia
  • Rashes
  • Sinus and ear infections
  • Stomach problems
  • Urinary tract and bladder infections

Northfield Clinic

Tel: (507) 646-1494 Fax: (507) 646-6870
Hours: Mondays 8 a.m. – 8 p.m., Tuesdays 8 a.m.- 5.pm. Extended Peds 5 - 8 pm, Wednesday – Friday 8 a.m.– 5 p.m.
Address: 2000 North Avenue, Northfield, Minnesota 55057
View on map

Farmington Clinic

Tel: (651) 460-2300 Fax: (651) 460-2301
Hours: Monday - Friday: 7:30 a.m. to 5 p.m.
Address: 4645 Knutsen Drive, Farmington, Minnesota 55024
View on map

Cunningham, Jeff, MD

Cunningham, Jeff, MD

Specialty: Internal Medicine, Pediatrics

Sees patients at: Farmington Clinic

Helgen, Katherine, MD, FACP

Helgen, Katherine, MD

Specialty: Internal Medicine

Sees patients at: Northfield Clinic

Reister, Randolph, MD, FACP

Reister, Randolph, MD

Specialty: Emergency Medicine, Urgent Care, Endoscopy, Hospitalist, Internal Medicine

Sees patients at: Northfield Clinic, Northfield Hospital