She was looking for medical care.
The grocery store is home to an Avera St. Luke's FastCare, a mini medical office for walk-in patients with nonemergency situations. Avera, which has two FastCare offices in Aberdeen, opened the first in 2009 to provide quicker care to patients with minor health dilemmas. The other is in Shopko.
Sanford Aberdeen has a similar service, called Acute Care, at its clinic.
For Koeppe, it was a sore throat she didn't want to make an appointment for.
"Every time I've been here, I've been right in," said Koeppe, who came to the clinic for strep throat a few months earlier. "Usually, with the doctor, you have to wait 15 minutes."
Koeppe came in at 4:30 p.m., registered by 4:33 p.m., stepped into the medical exam room at 4:35 p.m. and had a prescription when she walked out at 4:50 p.m.
Michael Opp, director of clinics for Avera Medical Group, said the quick clinics are a recent development in the medical world. He added that the clinics are meant to supplement visits to patients' primary physicians.
"What makes them attractive to people is they're fast, accessible and you don't need an appointment to get into them," he said. "It's mostly for your sick-type patients that don't take a lot of time and aren't serious."
The facilities, deemed retail clinics because they're usually in a retail setting, are gaining popularity among patients who are seeking quick care.
Sanford's is more of an after-hour extended care, said Scott Eisenbeisz, clinic director at Sanford Health Aberdeen.
"It's not meant to replace those annual physicals or medication adjustments," he said. "It's meant for those acute illnesses that pop up overnight."
A 2011 study in the American Journal of Managed Care found retail clinics increased tenfold between 2007 and 2009. Both of Avera's clinics average 15 to 20 patients a day, but can experience higher numbers during holidays when normal doctors' offices are closed, Opp said.
The day after Christmas, the Kessler's FastCare clinic had 47 patients.
"It's difficult for patients to see their doctor at the time they want to see them because everyone is busy," he said. "If a mom needs to pick up a child from school and run her over, then it's easier."
Candice Mohn is one of those moms. The mother of three, she came to the Kessler's clinic on Thursday with two of her children. Her younger daughter, 3-year-old Macy, had some cold symptoms, and Mohn wanted to get her checked out.
"It's just easy because you can just walk in without having to schedule (an appointment)," she said.
She added a typical doctor's visit lasts 45 to 60 minutes and is more difficult.
"It's hard because you have to sit and wait with two or three kids and keep them busy."
Avera FastCare hours:
• Monday to Friday: 9 a.m. to 8:30 p.m.
• Saturday: 9 a.m. to 5:30 p.m.
• Sunday: 10 a.m. to 5 p.m.
Sanford Acute Care hours:
• Monday to Friday: 5 to 9 p.m.
• Saturday: 9 a.m. to 1 p.m.
• Sunday: 1 to 5 p.m.