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We accept walk-ins at most designated COVID-19 sites during vaccination days and hours. You may still schedule your vaccination or walk up to our mobile vaccination clinic which is open to everyone! Note: we require masks in all St. Luke's facilities, regardless of COVID-19 vaccination status. This helps us provide safe care in a safe environment for all patients. Access more info on COVID testing, vaccination, visitor policy, safety practices, hospitalization data, and FAQs.
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St. Luke's Clinic – Internal Medicine: Mountain Home

We’re a team of trained and experienced healthcare professionals skilled in medical care for adults, including routine and preventive health checks, diagnosis and treatment when a medical problem is first suspected, and ongoing management of chronic illness. As internists, we keep the whole patient in mind, rather than merely focusing on a single disease or organ system. 

We offer a broad scope of services, including (but not limited to) the diagnosis and treatment of heart disease and hypertension, kidney disease, gastrointestinal problems, allergies, cancer, anemia, and lung problems, such as asthma and emphysema. We also manage infections, neurological problems, such as strokes and seizures, nutritional problems, depression, skin disease, and diabetes and thyroid disease.
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Schedule an Appointment
If you have a medical emergency, do not use online scheduling. Call 911 or proceed to your nearest emergency department. If you require immediate assistance for a non-emergency condition, please contact the clinic directly by phone.

Are You Sick or Injured?

Symptom Checker

Use Our Symptom Checker for Advice

Our symptom checker offers educational information on various conditions, and provides advice regarding home care or first aid, when appropriate, as well as instructions on when you may need to call your provider, call 911, or go to an emergency department. It also offers dosage tables for common over-the-counter drugs.

The information in our symptom checker is designed with patient safety as the highest priority. Each care guide is reviewed by physicians, specialists and nurses for accuracy.

If you need additional advice regarding your sickness or injury, please contact your provider.

Use the symptom checker now

Providers

  • Joseph W. Hoskin, PA-C

    Internal Medicine

    Biography

    Joseph Hoskin, PA-C enjoys working with patients of all ages and backgrounds.

    Joseph has had a passion for helping people from the time he was young, and worked to make that one of his life's goals. He earned his paramedic degree from Brigham Young University–Idaho, and worked as a paramedic in Oklahoma City. He graduated the University of Pittsburgh with his physician assistant degree.

    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.

      see full profile

    • Specialties, Conditions & Treatments

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  • Katherine R. Newcomb, MD

    Internal Medicine

    Availability

    Accepting new patients
    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.

      see full profile

    • Specialties, Conditions & Treatments

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  • Michelle M. Pehrson, FNP

    Internal Medicine

    Biography

    Michelle M. Pehrson, FNP is a nurse practitioner at St. Luke's Clinic–Internal Medicine: Mountain Home. She enjoys working with patients of every age and background, and has a passion for providing compassionate and comprehensive care.

    Michelle was raised in a family with a medical background and always knew she would be in health care. She earned bachelor's degrees in microbiology from the University of Idaho and in nursing from Idaho State University. She earned her master's degree in nursing, family nurse practitioner from Idaho State University.

    Availability

    Accepting new patients
    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.

      see full profile

    • Specialties, Conditions & Treatments

      See Less See More

Access Your Mobile Medical Record Anytime, Anywhere

Sign up for a myChart account today!

With myChart, you’re able to view test results, contact your provider, request medication refills, schedule appointments and more. We encourage you to sign up for easy access to the tools and information you need to proactively manage your health. You can also set up online proxy access requests for medical records of children, spouses, or dependents.


There's also an easy-to-use myChart app available for your mobile devices!

Learn more about myChart
Take Care, Someone Needs You.

You take care of others, so take care of yourself. Let us be your partner in health, whether you're recovering from an injury, checking in for your annual exam, or enjoying an online class.

Because when you take care of yourself, everyone around you benefits.

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Contact Us In McCall (208) 634-2221