Soft focus image of white and yellow flowers with green leaves on a blurred green background, creating a peaceful spring or summer scene.

Our Providers

A woman with wavy brown hair smiling, wearing a black top, standing against a gray background.

Laura Mckinnis, APNP

Owner and Provider at Oasis Healthcare.

Laura Mckinnis, APNP is owner and provider at Oasis Healthcare. With 15 years ER experience Laura offers expertise in acute illnesses and injury. After years of hospital based emergency medicine, Laura chose to provide care directly to patients in an effort to bring clinical expertise and convenience together.

Children and women’s health are a particular joy. We focus on urgent care that is convenient for busy families. We know how hard it is to juggle life and we want provide care that is easily accessible.

Since 2020, Oasis had been providing access to healthcare for all individuals, regardless of income. We offer insurance, flat rates, and clinic subscription plans to make healthcare accessible for everyone.

A woman with long, light brown hair, wearing a sleeveless black top, smiling at the camera with a gray background.

Katie Henke, APNP

Katie is an experienced nurse practitioner specializing in the diagnosis and management of Postural Orthostatic Tachycardia Syndrome (POTS) and related autonomic disorders, and headache disorders. Katie also offers primary care for adolescents and adults. 

Recognizing the limited access many patients face when seeking specialized care for these chronic neurologic disorders, Katie is committed to advancing patient outcomes through evidence-based treatment and individualized care plans. By integrating the latest research with practical symptom management, Katie helps patients achieve measurable improvements in daily functioning and long-term quality of life.

A woman with shoulder-length wavy hair and glasses smiling at the camera, wearing a dark top and a blazer, against a dark blue background.

Kelly Plagemann, PA-C

It is a privilege to serve patients and their families. I have been practicing in emergency medicine and urgent care for several years which has provided me with a background of varied experience at several locations in Wisconsin. I find it a joy to problem solve with and listen to my patients to help address their healthcare needs and concerns.

Languages Spoken:

  • English

  • Spanish

Nursing Staff

The magic happens when excellent clinicians are empowered to provide excellent care

A smiling woman with shoulder-length wavy hair, wearing a black top and a silver necklace with a circular pendant, against a dark blue background.

Angela, RN

Nurse Manager

Angela is RN and Nurse Manager at Oasis Healthcare. She has prior experience in hospice care, emergency medicine, and urgent care. She has been with Oasis Healthcare since the beginning. She is an invaluable part of the team and runs the show! She is the Nurse Manager and COO as well as great friend to have. She has a love for tiny, special needs pups and is always running to keep up with kids, work, and life. 

A smiling man in a black uniform with a name tag, standing against a dark gray wall.

Tom, RN

Tom has been with Oasis since the very beginning. He has worked as a EMT and is now a RN in Emergency Medicine. He helps Oasis Healthcare in all capacities including nursing, business support, and the occasional remodel. He has a penchant for meteorology and loves a good sunny day on the golf course.

A young man in black scrubs smiling and standing in front of a plain dark gray wall.

Adam, Registration, EMT student

Adam is a graduate from St Thomas University with a bachelor degree in Biology. He is studying to become a licensed EMT and preparing for future work in the healthcare field. He has a particular talent for research, business, and painting.