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ACMC Physicians & Advanced Practice Providers

David A. Newcomer, DO


Internal Medicine

(320) 231-5000
(888) 225-6580 (Toll-free)

Education & Training

Undergraduate: Gustavus Adolphus College, St Peter, MN
Medical School: University of New England College of Osteopathic Medicine, Biddeford, ME
Internship: Internal Medicine, Gunderson Lutheran Medical Center, La Crosse, WI
Residency: Internal Medicine, Gunderson Lutheran Medical Center, La Crosse, WI

Certifications & Licensure

American Board of Internal Medicine
American Board of Hospice and Palliative Care

Professional Associations & Activities

American Medical Association
Minnesota Medical Association
Mid-Minnesota Medical Society
American College of General Practioners
American College of Physicians
American Society of Internal Medicine
Medical Director - Rice Hospice

Scope of Practice

Specializes in treating adult patients aged 18 and above for common illness, preventive care and chronic or multiple diagnostic problems. These include the treatment and management of:

  • Cardiac disease
  • Diabetes
  • Arthritis
  • Digestive diseases
  • Cancer
  • Respiratory disorders
  • Hormonal disorders
  • Kidney disease
  • Women's health (not pregnancy or delivery care)
  • Substance abuse
  • Mental health
  • Palliative and hospice care

Internists also coordinate and manage patient care with other specialists.


I moved to the Willmar area with my family to practice in a small friendly community with excellent healthcare. I enjoy the outdoors and many sporting activities.