HealthcareDiscovery.AI / Doctors / South Dakota / Endocrinology, Diabetes & Metabolism

Endocrinologists in South Dakota

Data updated monthly · Last refresh October 2026

25 Endocrinology, Diabetes & Metabolism providers practice in South Dakota, including 12 (48%) offering telehealth. The largest concentration is in Sioux Falls. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

25providers
12telehealth
Sioux Fallstop city

Endocrinology, Diabetes & Metabolism by city in South Dakota

Choose a city to see providers there.

Endocrinology, Diabetes & Metabolism in Sioux Falls20 providers
Endocrinology, Diabetes & Metabolism in Rapid City4 providers
Endocrinology, Diabetes & Metabolism in Dakota Dunes1 providers

Where Endocrinologists in South Dakota practice

From CMS Medicare enrollment records covering 16 of the 25 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.

6%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
94%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)EndocrinologistsAll clinicians in groupMain city
Avera Mckennan6957Sioux Falls
Sanford Medical Center6847Sioux Falls
Monument Health Rapid City Hospital Inc.3560Rapid City

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingEndocrinologists affiliated
Avera Mckennan Hospital & University Health CenterSioux FallsNonprofit4 of 57
Avera St LukesAberdeenNonprofit4 of 56
Sanford Usd Medical CenterSioux FallsNonprofit5 of 56
Sanford Vermillion Medical CenterVermillionNonprofitNot rated5
Avera Queen of PeaceMitchellNonprofit4 of 54

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Endocrinology, Diabetes & Metabolism providers in South Dakota

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. William Blankenship, MD
Dakota Dunes, SD · No drug or device payments recorded (2025) · (605) 217-5500
Dr. John Palmer, DO
Rapid City, SD · $3,757 in drug and device payments (2025) · Telehealth · (605) 755-3300
Dr. Melanie Rayan, MD
Rapid City, SD · $451 in drug and device payments (2025) · (605) 755-3300
Dr. Nikolina Markovic
Rapid City, SD · $100 in drug and device payments (2025) · (605) 755-1000
Dr. Sonalika Khachikian, MD
Rapid City, SD · $128,016 in drug and device payments (2025) · Telehealth · (605) 718-3300
Dr. Anthony Sallar, M.D
Sioux Falls, SD · $336 in drug and device payments (2025) · Telehealth · (605) 328-8700
Dr. Brandon Allard, M.D.
Sioux Falls, SD · $150 in drug and device payments (2025) · (605) 328-8700
Dr. Charles Longo, M.D.
Sioux Falls, SD · $233 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Ebru Sulanc, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 322-7600
Dr. Hassan Mehmood, M.D.
Sioux Falls, SD · $747 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Jake Johnson
Sioux Falls, SD · $123 in drug and device payments (2025) · (605) 328-8700
Dr. Juliana Ferri Guerra, MD
Sioux Falls, SD · $239 in drug and device payments (2025) · (605) 328-8700
Dr. Karen Hutchinson, MD
Sioux Falls, SD · $120 in drug and device payments (2025) · (605) 322-7600
Dr. Lorayne Ann Chua, M.D.
Sioux Falls, SD · $586 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Marcio Griebeler, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · Telehealth · (605) 328-8700
Dr. Marie Angelica Diaz, M.D.
Sioux Falls, SD · $790 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Mark Oppenheimer, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 275-6525
Dr. Natalie Kappus, D.O.
Sioux Falls, SD · $240 in drug and device payments (2025) · (605) 336-3230
Dr. Nour Aljariri Alhesan, MD
Sioux Falls, SD · $93 in drug and device payments (2025) · Telehealth · (605) 328-8700
Dr. Randall Fenner, M.D.
Sioux Falls, SD · $120 in drug and device payments (2025) · Telehealth · (605) 328-8700
Dr. Raquel De Leon Anel-tiangco, M.D.
Sioux Falls, SD · $261 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Richard Barth, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 328-8700
Dr. Richard Crawford, MD
Sioux Falls, SD · $17,711 in drug and device payments (2025) · Telehealth · (605) 322-7600
Dr. Thomas Schultz, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 328-8700
Dr. Tracey Domangue, RN
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 336-3230

Conditions Endocrinology, Diabetes & Metabolism providers in South Dakota commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Endocrinology, Diabetes & Metabolism providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Endocrinology, Diabetes & Metabolism providers are in South Dakota?

There are 25 Endocrinology, Diabetes & Metabolism providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.

Do Endocrinology, Diabetes & Metabolism providers in South Dakota offer telehealth?

Yes. 12 of the 25 Endocrinology, Diabetes & Metabolism providers in South Dakota (about 48%) report offering telehealth services in CMS data.

Which cities in South Dakota have the most Endocrinology, Diabetes & Metabolism providers?

Sioux Falls (20), Rapid City (4), Dakota Dunes (1) have the highest concentration of Endocrinology, Diabetes & Metabolism providers in South Dakota.

How many Endocrinology, Diabetes & Metabolism providers in South Dakota received drug or device company payments?

18 of 25 Endocrinology, Diabetes & Metabolism providers in South Dakota (72%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Endocrinology, Diabetes & Metabolism providers in South Dakota treat?

Endocrinology, Diabetes & Metabolism providers commonly treat type 2 diabetes, thyroid disorders, osteoporosis, hormone imbalance, type 1 diabetes and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Endocrinologists in South Dakota work in independent practices or large health systems?

Among 16 Endocrinologists in South Dakota enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 94% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Endocrinologists in South Dakota work at?

According to CMS facility affiliation records, the South Dakota hospitals where the most Endocrinologists hold privileges are Avera Mckennan Hospital & University Health Center in Sioux Falls; Avera St Lukes in Aberdeen; Sanford Usd Medical Center in Sioux Falls.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Endocrinology, Diabetes & Metabolism in South Dakota? Get featured.