Growing up in Broomfield, Colorado, Catherine Denise Renella, NP-C (who goes by Denise), never imagined she would one day return to care for patients in the community she has always called home. After graduating from Broomfield High School and building a career in nursing and primary care, joining Boulder Medical Center feels like coming full circle.
Denise began her healthcare career as an emergency department nurse. There, she worked alongside physicians who recognized her ability to connect with patients and encouraged her to pursue advanced training as a nurse practitioner.
Today, as a highly skilled and experienced Certified Nurse Practitioner, Denise brings a compassionate, relationship-centered approach to internal medicine.
“I want my patients to know they are being heard,” Denise says. “Even when I don’t have all the answers right away, I will do my best to find them. We work together to make decisions that support their health.”
She believes the best care begins with listening. While she follows evidence-based medical guidelines, Denise understands that every patient has unique goals, concerns, and circumstances. She meets patients where they are and works collaboratively to develop realistic plans that fit their lives.
Patients often appreciate Denise’s ability to make them feel comfortable through straightforward communication, a sense of humor, and a genuine interest in getting to know them as people.
Outside of work, Denise enjoys staying active by walking and hiking, and she loves skiing with family and friends. She and her husband also enjoy traveling, whether exploring Colorado or visiting destinations around the world. They are enthusiastic food lovers and delight in discovering new restaurants.
Specialty Areas
Denise provides comprehensive internal medicine and primary care for adults, with a focus on preventive health, routine medical care, and the ongoing management of common and chronic health conditions. She uses evidence-based guidelines while working with patients to develop care plans that reflect their individual health needs and goals.
- Adult primary care and internal medicine
- Preventive care and health screenings
- Annual physical exams and routine checkups
- Chronic disease management
- High blood pressure (hypertension) management
- Type 1 and Type 2 diabetes management
- Thyroid disorder management
- Cholesterol and cardiovascular risk management
- General health and wellness
Education and Certifications
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Graduate School — Regis University
MSN in Nursing, emphasis Family Nurse Practitioner. Graduate Honors.
Denver, CO
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Undergraduate — Fort Hays State University
BSN Nursing
Hays, KS
Professional Affiliations
- American Academy of Nurse Practitioners Board Certification: Aug 1, 2000- July 31, 2030
- Member, American Association of Nurse Practitioners BLS