Ly, Bob Allen
Skagit Regional Health Provider

Bob Allen Ly, DO



Bob Allen Ly, DO practices Endocrinology at Skagit Regional Health. He received his DO from Midwestern University and is dual board certified by the American Osteopathic Board of Internal Medicine and the American Board of Obesity Medicine. Dr. Ly sees patients at multiple locations. Patients can make an appointment by contacting the clinic directly, or by requesting an appointment through the MyChart patient portal.

Dr. Ly is part of a multi-specialty team of healthcare professionals serving northwest Washington, dedicated to serving with compassion and respect, one patient at a time.


  • Medical School
    Midwestern University
  • Internship , Internal Medicine
    Skagit Regional Health Graduate Medical Education
  • Residency , Internal Medicine
    Skagit Regional Health Graduate Medical Education
  • Fellowship , Endocrinology, Diabetes, & Metabolism
    Larkin Community Hospital

Practice Locations

Skagit Regional Clinics - Mount Vernon

1400 E. Kincaid Street Mount Vernon, Washington, 98274


  • Adrenal Insufficiency
  • Adrenal Nodules
  • Current Diagnosis/history of Thyroid Cancer
  • Cushing’s/suspected Cushing’s
  • Diabetes
  • Elevated Metanephrines
  • Elevated/Decreased ALP
  • Goiter
  • Graves’ Disease
  • Hyperparathyroidism
  • Hyperprolactinemia
  • Men with Hypogondaism not on treatment
  • Osteoporosis
  • Pituitary Mass or Abnormal Pituitary Finding
  • Primary Hypothyroidism
  • Subclinical Hyperthyroidism/Hyperthyroidism
  • Suspected Hyperaldosteronism
  • Thyroid Nodules