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Clinic Type

Internal Medicine Clinics

Address

801 E Sioux Ave, Floor 3, Pierre, SD 57501

Phone

+1-605-224-5901

Email

Opening Hours

Monday8 AM – 5 PM; Tuesday8 AM – 5 PM; Wednesday8 AM – 5 PM; Thursday8 AM – 5 PM; Friday8 AM – 5 PM

Services Offered

  • Internal Medicine Services
  • Yearly Checkups
  • Disease Management
  • Preventive Screenings
  • Immunizations
  • Geriatric Care
  • Mammography
  • Radiology & Imaging
  • On-Campus Pharmacy
  • Meet Our Team

Team

  • Robert L. Allison — MACP, MD
  • Stacy Cwach — MD
  • Allison Johnson — CN
  • Alyssa EtzkorN — MD
  • Andras Szabo — MD
  • Darrell Plumage — MD

Insurance & Payment

Languages Spoken

  • English

FAQs

Internal Medicine Services

Yearly Checkups; Disease Management; Preventive Screenings; Immunizations; Geriatric Care; Radiology & Imaging; On-Campus Pharmacy

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Avera Official Website: 4.9/5 (Dr. Darrell Plumage) (147 ratings)
  • Vitals: 4.5/5 (Dr. Andras Szabo) (13 ratings)

Patients praise

  • High levels of patient trust in specific providers like Dr. Darrell Plumage and Dr. Andras Szabo
  • Providers described as knowledgeable, thorough, and professional
  • Attentive and compassionate nursing care reported frequently
  • Efficient scheduling and reasonable wait times for many patients

Common complaints

  • Concerns regarding pain management treatment protocols
  • Past reports of billing complications and difficulties navigating multiple billing sources
  • Historical complaints regarding office staff interactions

"Dr. Plumage is caring and decisive, I feel I can trust him! Nurse was professional and caring too!"

Avera Patient Survey

"He is very knowledgeable and took the time to explain my health issues to me. I feel better than I have in long time since following his recommendations and direction."

Vitals User Review

"Horrible pain management treatment. They won't give strong enough pain medication. To even people that have serious problems."

Public Review Site

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Pierre, SD·Internal Medicine Clinics

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Pierre, SD·Internal Medicine Clinics

Sanford Health is a nonprofit, integrated health care system headquartered in Sioux Falls, South Dakota. Founded in 1996, it operates hospitals and medical facilities across the U.S. and internationally, with 8 offices in the United States including Sioux Falls (HQ), Marshfield, WI, Fargo (ND), Bemidji (MN), and Bismarck (ND). The organization is led as a nonprofit under Marshfield Clinic Health System, Inc. It provides a broad range of medical services and employs about 7,727 people, with annual revenue around $7.1 billion. Main contact: 1-605-333-1000. For Pierre, SD specifically, Sanford Health’s nearest facilities are in nearby locations (e.g., Sioux Falls, Fargo, Bemidji) as listed, but a Pierre-specific Sanford clinic is not listed among the provided locations. If you’re seeking a Sanford clinic in Pierre, you may want to contact the main line or visit sanfordhealth.org for the exact Pierre or closest facility details.

VerifiedOnline bookingSince 1996

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