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Avera Internal Medicine clinic

Avera Internal Medicine

Internal Medicine • Deadwood, SD

4.9/5(147 reviews)

Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.

Last gathered July 11, 2026. How our information is sourced · Report incorrect information

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.

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 S. Cwach - PA-C
  • Allison J. Johnson - CNP
  • Alyssa Etzkorn - PA-C
  • Andras Szabo - MD
  • Darrell W. Plumage - MD

Insurance & Payment

Not published.

Languages Spoken

Not published.

FAQs

Meet Our Team

Individual provider listings with contact numbers are included (e.g., team members with phone numbers like 605-945-5277, 605-224-2708).

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Avera Provider Profile: 4.9/5 (provider-level) (147 ratings)
  • Healthgrades (Avera St. Mary's Hospital): 66% (Patient recommendation)

Patients praise

  • High patient ratings for specific providers, such as Dr. Darrell Plumage
  • Efficient and professional experiences in urgent care settings
  • Positive feedback for medical competency and clear communication from doctors

Common complaints

  • Dissatisfaction with pain management protocols
  • Billing issues and lack of centralized billing coordination
  • Reports of rude or dismissive staff in certain departments
  • Perceived lack of compassion in behavioral health services

"Dr Plumage is the best. 100% trust/ value him. In anything serious, I want his guidance."

- Avera Provider Profile (Dr. Darrell Plumage)

"Horrible pain management treatment. They won't give strong enough pain medication... Your doctors are terrible."

- Online Business Review Site

"Behind in technoogy causing major hassles for the customer and the office staff treats you like garbage."

- Online Business 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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