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Specialties

Endocrinology

Our experienced, board-certified physicians and physician assistants offer expert care for diabetes, thyroid disorders, pituitary disease, adrenal disease, metabolism disorders, and other conditions related to endocrine glands and hormones. We’ll work with you to develop a personalized treatment plan that is appropriate for your individual goals.

Providers

  • Richard B. Christensen, MD

    Endocrinology

    Biography

    Richard B. Christensen, MD serves as the medical director of Humphreys Diabetes Education Center. Dr. Christensen completed residency training in internal medicine at the University of Washington. He then pursued five years of advanced fellowship training, research, and teaching in endocrinology and metabolism at the University of Washington before entering practice in Boise.
    • 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.

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  • Sherwin C. D'Souza, MD

    Endocrinology

    Biography

    Sherwin D'Souza, MD enjoys various aspects of endocrinology, and has a special interest in diabetes, lipid disorders, and cardiometabolic disease. 

    Dr. D'Souza is a fellow of the American College of Endocrinology and a diplomate of the American Board of Clinical Lipidology. He is currently the medical director at St. Luke's Endocrinology and Humphreys Diabetes Center. In addition, he has served as medical director of the Physician Assistant Program at Idaho State University in Meridian. 

    In his spare time he enjoys running, hiking, traveling and spending time with his family.

    Availability

    Accepting new patients
     
  • Michael D. Holyoak, DO

    Michael D. Holyoak, DO

    Endocrinology

    Biography

    Michael Holyoak, DO has professional interest in pituitary disorders, thyroid cancer, and diabetes technology. After completing his medical education in the Midwest, he is happy to be back in Idaho, his home state, offering endocrine care to the Treasure Valley community.

    In his free time, Dr. Holyoak enjoys camping, hiking, and fishing with his family.

    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.

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  • Heidi M. Houser, NP

    Endocrinology

    Biography

    Heidi Houser, NP-C works in diabetes care and management. She specializes in the care of patients (and their families) who have chronic diseases, with a goal to encourage, support, and educate as she helps her patients meet their complex health needs. She earned her bachelor's degree in chemical engineering from the University of Idaho. She earned her master's degree in nursing from Vanderbilt University, and has completed her national nurse practitioner certification.

    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.

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  • William J. Malone, MD

    William J. Malone, MD

    Endocrinology

    Biography

    William Malone, MD provides specialty care for people with endocrine issues, such as diabetes, thyroid conditions, adrenal and pituitary disorders, osteoporosis, and obesity. 

    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.

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  • Brian T. Martin, PA-C

    Brian T. Martin, PA-C

    Endocrinology

    Biography

    Brian Martin, PA-C is certified by the National Commission on Certification of Physician Assistants. He earned his bachelor’s degree from the University of Tennessee and his master’s degree in physician assistant studies from the University of St. Francis.

    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.

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  • Michael J. McRae, DO

    Family Medicine

    Biography

    Michael McRae, DO works to promote longevity while helping maintain an excellent quality of life. For this reason, he has a special interest in cardiometabolic health. 

    Dr. McRae focuses on preventing and treating diabetes, fatty liver disease, high blood pressure, high cholesterol, and obesity. He prefers lifestyle changes to address and even reverse these conditions whenever possible. He recognizes these changes can be difficult and tries to avoid causing feelings of guilt and shame when developing plans that fit with an individual's desires. 

    Dr. McRae completed a fellowship in diabetology and sees patients specifically for type 1, type 2 and other forms of diabetes. During his training, he utilized the latest technologies such as insulin pumps, CGMs, and smart insulin pens which he tailors to patients' individual needs. Although diabetes can be expensive, he looks for ways to save patients money while still providing the best care available. 

    In his free time, Dr. McRae enjoys life with his wife and children by traveling, discovering new parks, making delicious food, and exploring the outdoors.

    Availability

    Accepting new patients
     

  • Theodore S. Roosevelt, MD

    Endocrinology

    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.

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  • Lisa K. Sanders, PA-C

    Endocrinology
    • 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.

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  • Shanaz Sikder, MD

    Shanaz Sikder, MD

    Endocrinology

    Biography

    Shanaz Sikder, MD is an endocrinologist with special interests in thyroid cancer, and adrenal disorders. During her time at the National Institutes of Health, she trained under the world's experts in endocrinology as well as rare disorders. She also conducted clinical research in diabetes and insulin resistance in the South Asian population.

    In her free time, Dr. Sikder enjoys yoga, traveling, the outdoors, and great food.

    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.

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  • Madison A. Thompson, CDCES

    Endocrinology

    Availability

    Accepting new patients
     

  • Roger T. Turcotte Jr., MD

    Internal Medicine

    Biography

    Roger Turcotte, MD specializes in providing primary care for adults, especially those with chronic medical conditions such as diabetes, high blood pressure, kidney disease, and others. He has a special interest and expertise in the treatment of diabetes, including type 1 diabetes, and patients with complicated type 2 diabetes. Dr. Turcotte works in close collaboration with Brittany Matthews, NP.

  • Johannes D. Veldhuis, MD

    Biography

    Johannes Veldhuis, MD specializes in lipidology, with a focus on patient education and care. He has experience in endocrinology and metabolism with an emphasis on clinical pituitary, gonadal, and adrenal diseases and lipidology. Dr. Veldhuis has been associated with the Mayo Clinic in Rochester where he both trained and practiced. He is also a member of the National Lipid Association.

    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.

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  • Sharene E. Watsen, PA-C

    Endocrinology

    Biography

    Sharene Watsen, PA-C earned her bachelor's degree in biology and religion from Gustavus Adolphus College. She earned her master's degree in physician assistant studies from Oregon Health & Science University. Before becoming a physician assistant she worked as a nursing assistant and phlebotomist.

    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.

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  • Benjamin R. Watson, PA-C

    Endocrinology

    Biography

    Benjamin R. Watson, PA-C specializes in adult endocrinology. He earned his associate's degree from the College of Southern Idaho, and his bachelor's degree in biology and master's degree in physician assistant studies, both 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.

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  • Michael D. White, PA-C

    Endocrinology

    Biography

    Michael is a board certified physician assistant by the National Commission on Certification of Physician Assistants. He earned his bachelor’s degree from Boise State University and master’s degree from the University of Oregon. He is a graduate of the Nova Southeastern University of Physician Assistant Studies program.

    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

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  • Stacie M. Woods, PA-C

    Stacie M. Woods, PA-C

    Endocrinology

    Biography

    Stacie Woods, PA-C, BC-ADM, earned her bachelor’s degree from Idaho State University in clinical laboratory science. She earned her master’s degree from University of Washington, MEDEX program in physician assistant studies. She is also board certified in advanced diabetes management. Before becoming a physician assistant, Stacie worked as a medical laboratory scientist.

    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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Classes & Events

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  • Auto Control de la Diabetes: Hailey

    Health Management Classes
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    Free, Registration Required

    Aprenda a tener más control de su diabetes tomando clases de capacitación.

Articles & Resources

  • showing 4 of 4

  • Blog Post

    Humphreys Staff Celebrates 30 Years on World Diabetes Day

    Read More

  • Blog Post

    St. Luke’s Humphreys Diabetes Center: Empowering Patients to Live Long, Healthy Lives

    Read More

  • Blog Post

    St. Luke’s Magic Valley Nurse Embraces New Technology to Manage Diabetes

    Read More

  • Blog Post

    St. Luke’s Diabetes Educator Embraces Journey

    Read More

Related Specialties

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