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Avera Internal Medicine

4.9 out of 5 · 160 reviews

Internal Medicine Clinics • Pierre, SD

About

Avera Internal Medicine in Pierre, SD offers internal medicine services including yearly checkups, disease management, preventive screenings, immunizations, geriatric care, mammography, radiology and imaging, laboratory services, and an on-campus pharmacy. The clinic is located at 801 E Sioux Ave, Floor 3, and is part of Avera St. Mary's Hospital.

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

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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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