We’re here to care for you and your family. See what our teams are doing to keep you safe during the COVID-19 pandemic.

    All patients and visitors entering our facilities are required to wear an approved face mask

    If you are experiencing any sick symptoms (cough, fever, runny nose, sore throat, etc.) when you arrive for your appointment, please stay outside and call to let us know you have arrived

    Change in Dialing – Beginning 10/24/21, you must dial 10 digits for all local calls. This means you will need to dial the area code (928) before all 7 digit phone numbers. Please visit the Arizona Corporation Commission website for more information.

    Our Providers

    Marissa Matthews-Penrod, RDH

    Dental Hygiene

    Recent News

    One way to offer culturally-competent care is to train up new doctors in rural settings. As we head into the final months of 2021, North Country Healt …

    National Health Center Week takes place Aug. 8 – 14, 2021. The team at North Country HealthCare is excited to celebrate National Health Center Week 20 …

    North Country’s dental team educates patients where they are – in the clinic or out in the community. Many people may not realize that tooth decay is …

    Marissa Matthews-Penrod, RDH


    Marissa is an enthusiastic Registered Dental Hygienist with a broad skill set and commitment to lifelong learning. She is known to be upbeat and full of humor. She strives to give her patients the best clinical experience while in her chair.

    Location of Care: Show Low; Round Valley

    Language: English

    Medical Specialties & Interests: Dental Hygiene

    Work History & Leadership:

    • Marissa is a graduate from Northern Arizona University where she received a Bachelor of Science in Dental Hygiene in 2015. At Northern Arizona University she learned and became licensed in many skills such as local anesthesia and laser therapy which is an alternative treatment for periodontal disease.
    • While in her collegiate career, she traveled to Antigua, Guatemala to provided dental care and education to those with little to no access to dental care.
    • Since graduation Marissa has moved back to her hometown of Eagar, Arizona where she is raising her two children. So far in her career Marissa has worked in public health, for a periodontal specialist, and a cosmetic specialist.
    • Marissa joined North Country HealthCare in 2021 after training as a Dental Hygiene Student at the Flagstaff location in 2013-2015. She is now seeing patients at North Country HealthCare Round Valley and Show Low.

    Fun Facts: In my free time I enjoy actively perfecting my Dutch oven cooking and baking while on camping trips.



    • Undergraduate: B.S. in Dental Hygiene; Northern Arizona University; Flagstaff, AZ; 2015








    Publications & Special Projects





    Patient Satisfaction

    We want to improve and you can help! After each visit you may receive a survey via mail or email. This is your opportunity to tell us what we did well and where we could use some improvement. We value your input and act on survey results on a regular basis. North Country HealthCare is committed to providing a quality experience to you and your family at each visit.

    To ensure we are holding ourselves to the highest standards, we partner with an independent patient satisfaction company, Press Ganey. For nearly 30 years, Press Ganey’s mission has been to support healthcare providers in understanding and improving the entire patient experience. As a business partner to more than 20,000 healthcare organizations, Press Ganey leads the industry in transforming the patient experience and creating continuous, sustainable improvement.



    Subscribe For Updates
    © 2019 North Country HealthCare