Our dedicated team of healthcare professionals is committed to providing comprehensive and compassionate primary care for patients of all ages. At CMMC, we prioritize building strong relationships with our patients based on trust, respect, and open communication. Whether you need a routine check-up or ongoing management of a chronic condition, you can count on us to deliver personalized, high-quality primary care services tailored to your needs. Here’s an overview of our primary care services:

 

  • Wellness exams:
    Our primary care providers perform comprehensive wellness exams, including physical examinations, health assessments, and lifestyle counseling, to help you achieve and maintain overall well-being.
  • Diagnosis and treatment:
    Our primary care physicians are trained to diagnose and treat a wide range of acute and chronic medical conditions, from common illnesses to complex health concerns.
  • Same-day care:
    We prioritize access to same-day care for patients with acute health needs, and strive to address your health concerns in a timely, convenient & cost effective way.
  • Management of chronic conditions:
    We provide personalized care plans for patients with chronic conditions such as diabetes, hypertension, asthma, and more, to help them manage their symptoms and improve their quality of life.
  • Referrals and coordination of care:
    If specialized care is needed, we collaborate with a network of specialists to ensure you receive the appropriate treatment and support throughout your healthcare journey.
  • Immunizations:
    We offer vaccinations for both children and adults to protect against preventable diseases.
Department Contact
  • (406) 535-1502
Augusto Amaral, MD
Since 2020 - Internal Medicine
  • 408 Wendell Ave
    Lewistown, MT 59457
  • 406-535-1502
Heidi Linhart, DNP
Since 2017 - Family Medicine
  • 408 Wendell Ave.
    Lewistown, MT 59457
  • 406-535-1502
Christina S. Marchion, MD
Since 2014 - Family Medicine/OB
  • 408 Wendell Ave
    Lewistown, MT 59457
  • (406) 535-1502
Shelley Poss, APRN-BC
Since 2006 - Family Medicine
  • 408 Wendell Ave
    Lewistown, MT 59457
  • (406) 535-1502
Ben Simpson, MD
Since 2017 - Family Medicine/OB
  • 408 Wendell Ave.
    Lewistown, MT 59457
  • (406) 535-1502
Michael Sura, MD
Since 2008 - Internal Medicine
  • 408 Wendell Ave
    Lewistown, MT 59457
  • (406) 535-1502
Donna Vantassel, AGNP
Since 2016 - Adult/Geriatric Medicine
  • 408 Wendell Ave
    Lewistown MT 59457
  • 406-535-1502
Felipe Villa Martignoni, MD
Since 2019 - Internal Medicine
  • 408 Wendell Ave
    Lewistown, MT 59457
  • 406-535-1502