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Methodist Medical Group
Methodist Alliance

Locations

Methodist Endocrinology Specialists

4560 Lake Ridge Pkwy
Suite #300
Grand Prairie, TX 75052

About Grant J. Herrington, MD

Grant Herrington, MD, DABOM, is a general endocrinologist with special interests in diabetes, diabetes technology, obesity pharmacotherapy, post-bariatric surgery care, osteoporosis, and fine needle aspiration biopsies for the assessment of thyroid nodules. Dr. Herrington partners with patients to set clear, data-driven goals, aligning their values with effective treatments.

Dr. Herrington earned a Bachelor of Arts degree from Buena Vista University in Storm Lake, Iowa, where he graduated with honors. He then received his medical degree from the University of Iowa Carver College of Medicine in Iowa City, Iowa. Dr. Herrington then completed his internal medicine residency at Baylor University Medical Center in Dallas, Texas and his endocrinology fellowship at UT Southwestern Medical Center in Dallas, Texas.

Dr. Herrington grew up in Fort Dodge, Iowa, but moved to North Texas in 2020. Outside of the clinic, he enjoys spending quality time with his wife and their three children, hiking local trails, exercising, and trying out new coffee shops in Dallas.

Conditions treated

  • Type 2 diabetes
  • Type 1 diabetes
  • Gestational diabetes
  • Hyperthyroidism
  • Hypothyroidism
  • Thyroid nodules
  • Differentiated thyroid cancer
  • Pituitary adenoma
  • Prolactinoma
  • Acromegaly
  • Cushing syndrome
  • Adrenal insufficiency and adrenal incidentaloma
  • Hypopituitarism
  • Primary aldosteronism
  • Primary hyperparathyroidism
  • Osteoporosis
  • Dyslipidemia
  • Obesity
  • Post-bariatric surgery care
  • Polycystic ovary syndrome (PCOS)
  • Hypogonadism

Education

Residency:
Baylor University Medical Center (2023)

Medical Education:
University of Iowa (2020)

Fellowship:
University of Texas Southwestern Medical Center (2025)

Board Certifications

Internal Medicine, American Board of Internal Medicine (2023)

Insurances Accepted

Click here to view list of accepted insurance plans. Accepts most major insurance plans. Please ensure your plan is accepted before scheduling an appointment.