Emerge Care

Endocrinologists in South Dakota

Endocrinologists specialise in hormones and metabolism: blood sugar, thyroid, weight, bones and glands. Below are 25 endocrinologists practising in South Dakota, across Sioux Falls, Rapid City and Dakota Dunes, with what to bring and ask so your visit counts.

Endocrinologists in South Dakota

  1. Thomas A. Schultz, MD Endocrinology Sioux Falls, SD 57105
  2. Nikolina Markovic Endocrinology Rapid City, SD 57701
  3. William R. Blankenship, MD Endocrinology Dakota Dunes, SD 57049
  4. Lorayne Ann Chua, MD Endocrinology Sioux Falls, SD 57105
  5. Sonalika Khachikian, MD Endocrinology Rapid City, SD 57701
  6. Richard S. Crawford, MD Endocrinology Sioux Falls, SD 57105
  7. John Palmer, DO Endocrinology Rapid City, SD 57701
  8. Richard J. Barth, MD Endocrinology Sioux Falls, SD 57105
  9. Melanie N. Rayan, MD Endocrinology Rapid City, SD 57701
  10. Nour Aljariri Alhesan, MD Endocrinology Sioux Falls, SD 57105
  11. Marcio L. Griebeler, MD Endocrinology Sioux Falls, SD 57105
  12. Tracey Domangue, RN Endocrinology Sioux Falls, SD 57105
  13. Hassan Mehmood, MD Endocrinology Sioux Falls, SD 57105
  14. Charles A. Longo, MD Endocrinology Sioux Falls, SD 57105
  15. Raquel De Leon Anel-Tiangco, MD Endocrinology Sioux Falls, SD 57105
  16. Anthony S. Sallar, MD Endocrinology Sioux Falls, SD 57105
  17. Juliana J. Ferri Guerra, MD Endocrinology Sioux Falls, SD 57105
  18. Marie Angelica L. Diaz, MD Endocrinology Sioux Falls, SD 57105
  19. Randall S. Fenner, MD Endocrinology Sioux Falls, SD 57105
  20. Brandon L. Allard, MD Endocrinology Sioux Falls, SD 57105
  21. Karen Hutchinson, MD Endocrinology Sioux Falls, SD 57105
  22. Jake N. Johnson Endocrinology Sioux Falls, SD 57105
  23. Mark J. Oppenheimer, MD Endocrinology Sioux Falls, SD 57105
  24. Natalie R. Kappus, DO Endocrinology Sioux Falls, SD 57105
  25. Ebru Sulanc, MD Endocrinology Sioux Falls, SD 57105

Listings come from the CMS NPPES NPI Registry, the public federal record of licensed providers, checked October 2026. Being listed is not a recommendation or an endorsement, and we do not receive anything from these doctors. Call the office to confirm insurance, availability and that they are accepting new patients. In an emergency, call 911.

When to see an endocrinologist

Common reasons

  • Diabetes and prediabetes
  • Thyroid conditions
  • Weight and metabolic health
  • Bone density concerns
  • Hormone imbalances

Signs it may be time

  • Your blood sugar or thyroid labs are outside the range
  • Your primary care doctor referred you
  • You have symptoms like unexplained weight change, fatigue or feeling too hot or cold
  • You want specialist care for a long-term metabolic condition

How to get the most from your endocrinologist visit

1

Before: what to bring

  • A list of everything you take, including supplements, with how often
  • Your insurance card and photo ID
  • Recent lab results or imaging reports, if another clinician ordered them
  • Recent blood sugar, thyroid and other lab results
  • Glucose readings from a meter or monitor, if you use one
2

During: questions to ask

  • Which numbers should I watch, and what range are we aiming for?
  • How often should my labs be repeated?
  • What side effects should I report?
  • What lifestyle changes would make the biggest difference?
3

After: what to keep track of

  • Energy, appetite and how you feel after meals
  • Weight and sleep
  • Any side effects, in your own words, with dates

After your visit

Keep the plan going between appointments

Endocrine conditions change slowly, so the details between visits matter: how you felt, what changed, what side effects came and went. A clear log makes the next lab review a real conversation. Emerge Care, free to download on iPhone, is built for exactly that: tell it how you feel in your own words, get plain answers with the source behind every fact, and walk into your next endocrinologist appointment in South Dakota with a one-page summary and your questions ready.

  • Log symptoms and side effects by talking
  • Answers that name their source
  • One-page visit summary PDF
  • Health records stay on your iPhone
Download on the App Store

Emerge Care never diagnoses or replaces your doctor.

Questions

How do I find an endocrinologist in South Dakota?

This page lists 25 endocrinologists practising in South Dakota, including Sioux Falls, Rapid City and Dakota Dunes, from the federal NPI Registry. Call the office to confirm they take your insurance and are accepting new patients.

Do I need a referral to see an endocrinologist in South Dakota?

It depends on your insurance plan, not the state. HMO plans usually need a referral from your primary care doctor; many PPO plans do not. Check with your plan before booking.

What should I bring to my first endocrinologist appointment?

A list of everything you take, including supplements, with how often; Your insurance card and photo ID; Recent lab results or imaging reports, if another clinician ordered them; Recent blood sugar, thyroid and other lab results; Glucose readings from a meter or monitor, if you use one.

Do I need to fast before an endocrinology appointment?

Only if your doctor ordered fasting labs. Ask the office when you book.

What is the difference between an endocrinologist and a primary care doctor for diabetes?

Many people manage diabetes with their primary care doctor. An endocrinologist adds specialist care when it is complex or hard to control.

More doctors in South Dakota

Endocrinologists in nearby listings

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