New Providers September 2025

New Providers September 2025
09.24.2025

Munson Healthcare is pleased to welcome the following providers to our clinics: 

Matthew Ayres, MDMatthew Ayres, MD 

OMH Medical Group - Urology

“I enjoy helping patients navigate new health conditions by providing information and care.”

Dr. Ayres is trained in general urology and has special interests in robotic surgery, stone disease, outlet procedures, male sexual health, and female pelvic medicine. He is focused on providing evidence-based care to improve health outcomes and quality of life for his patients.

Learn more about OMH Medical Group – Urology by calling 989-731-6405. Dr. Ayers will also see patients at the Petoskey Community Health Center. 


Elizabeth W. Moore, MDElizabeth W. Moore, MD

Munson Healthcare Frankfort Medical Group

“I am so passionate about working with patients to assess their medical issues and work toward their health goals. I enjoy finding workable solutions and seeing patients realize they are succeeding in their goals.”

Dr. Moore has a special interest in full spectrum care for all ages, as well as menopause care. 

To schedule an appointment with Dr. Moore, call 231-352-2990.


Charles Whittaker, DO Charles Whittaker, DO 

Munson Healthcare Grayling Community Health Center - Family Medicine

“I value the privilege of forming long-term relationships with people and families. Being able to teach, guide, and empower people on their health journey, while also sharing in their successes and supporting them through challenges, is what makes medicine deeply rewarding for me."

Dr. Whittaker has special interests in preventive health, lifestyle medicine, sports medicine, patient education, and chronic disease management.

To schedule an appointment with Dr. Whittaker, please call 989-348-0550.


Tika A. Mitchell-Cowie, NPTika A. Mitchell-Cowie, FNP-C

Munson Healthcare Mio Primary Care

“I enjoy providing care to individuals and families, as well as increasing access to primary and preventive health care in the communities in which I live.”

Tika is passionate about nutrition, exercise, and “lifestyle first” approaches to maintaining and improving health, as well as serving rural communities.

To schedule an appointment with Tika, call 989-344-5820.


Julie Sidelinger, PA-C Julie Sidelinger, PA-C 

Munson Healthcare Orthopedic Institute - Gaylord

“I am committed to providing compassionate, high-quality care. I take the time to listen, explain, and partner with my patients so that they feel supported, respected, and confident in their treatment plan.”

Julie chose the field of orthopedics after experiencing the transformative impact of orthopedic care for her own health challenges. She enjoys the hands-on nature of the field and the opportunity to help patients regain mobility, relieve pain, and return to the activities they love.

To learn more about Munson Healthcare Orthopedic Insitute or to make an appointment, call 231-935-5880.