Impact Endocrinology in Carmel, IN

Updated November 2026How we check doctors

1 doctor at this practice188 W. Carmel Drive, Carmel, IN 46032

About the practice

Direct care endocrinology with a membership program

Calls itself a direct care practice

Not in network with any insurance, including Medicare

Membership and fees

  • Membership paid every 6 months

Office hours

Office hours

Practice details come from the practice's own website (impactendocrine.com).

Doctors at this practice

Elizabeth R. Grethen, MD

Endocrinology physicianConcierge
Impact Endocrinology · Carmel, IN
Medical school Loyola University Stritch School of Medicine
Training Internal Medicine, Indiana University, Indianapolis
  • Diabetes
  • Thyroid disorders
  • Osteoporosis
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