Well beyond compare.

Catherine Durflinger, ARNP

Cathy Durflinger, ARNP, specializes in Allergy, Immunology, and Pulmonary care. With extensive experience and a compassionate approach, Cathy is committed to helping patients breathe easier and achieve better overall health through personalized, evidence‑based care.

She provides expert evaluation and treatment for conditions such as seasonal and chronic allergies, asthma, and a range of pulmonary and immune system concerns. Cathy takes the time to understand each patient’s unique needs and works closely with them to create effective, individualized care plans.

Take the first step toward better breathing and improved well‑being—schedule an appointment today.
For more information or to book a visit, please call (641) 664‑2145.

Dr. Sarah Brewer

Areas of Practice

• Preventative Care Medicine
• Obesity Medicine
• Chronic Care Management:
  • Diabetes
  • Sleep Apnea
  • Hypertension
  • High Cholesterol
• Critical Care

Specialties

• Board Certified Internal Medicine
• Board Certified Critical Care Medicine
• Board Certified Obesity Medicine

Biography

Dr. Brewer has been practicing medicine for over 15 years. She completed her General Internal Medicine Residency at Northeast Regional Medical Center in Kirksville, followed by a Critical Care Medicine Fellowship at the University of Iowa Hospital and Clinics. She comes to DCHC from Northeast Regional Medical Center, where she was the Hospital Medicine Medical Director. Dr. Brewer recently received her certification in Obesity Medicine.

Dr. Brewer and her family live in Kirksville, Missouri. In her spare time, she enjoys gardening, cooking with whole foods, kayaking, paddleboarding, spending time outdoors, and encouraging others to do the same.

Dr. Larry Ciesemier

Areas of Practice

Board Certified Allergy and Immunology