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About

- Avera Medical Group is a Health Care/Hospital organization based in Aberdeen, SD, with two offices in the United States (Aberdeen and Sioux Falls, SD). - It operates within the Avera Health system and has grown through acquisitions (notably Neurology Associates, P.C. in 2016). - Key executives include Mara Hermiston (Chief Medical Officer) and Ryan Vanden Bosch (Vice President – Primary Care). - Contact: +1 (605) 322-4700; website: avera.org/doctors/avera-medical-group/. - Recent activity includes health care service expansions and regional collaborations; specific to Mitchell, there is no explicit Mitchell location listed in the provided details. - If you’re seeking “Access Health & Avera Medical Group Family Health Center Mitchell,” this page confirms Avera’s broader family health network but does not list a Mitchell-based Family Health Center. For Mitchell-specific details, consider checking Avera’s Mitchell-area clinics or contacting the listed phone number for location-specific guidance.

Clinic Type

Internal Medicine

Address

1900 Grassland Dr, Suite 103, Mitchell, SD 57301, US

Phone

+1-605-995-7000

Email

Opening Hours

Sunday 9 AM – 4 PM; Monday 7 AM – 6 PM; Tuesday 7 AM – 6 PM; Wednesday 7 AM – 6 PM; Thursday 7 AM – 6 PM; Friday 7 AM – 6 PM; Saturday 9 AM – 4 PM

Services Offered

  • Internal Medicine
  • Access Health Services
  • Avera Medical Group Services

Team

  • Broughton, DNP — DNP
  • Nathan J. Hinker, CNP — CNP
  • Jonathan C. Olegario, MD — MD

Insurance & Payment

Languages Spoken

FAQs

What are the clinic's hours?

Sunday 9 AM – 4 PM; Monday 7 AM – 6 PM; Tuesday 7 AM – 6 PM; Wednesday 7 AM – 6 PM; Thursday 7 AM – 6 PM; Friday 7 AM – 6 PM; Saturday 9 AM – 4 PM. Some hours vary. See locations for details.

Photos

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

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