Avera St Mary'S Hospital billing

801 E Sioux, Pierre, South Dakota 57501

  • Voluntary non-profit - Private
  • Acute Care Hospitals
  • CMS rating 2 of 5

1. Call billing

Have your account number ready. Ask for an itemized bill and ask whether you can apply for financial assistance.

Main hospital line
(605) 224-3100
Ask for patient billing or patient financial services.
Call (605) 224-3100

2. See if you qualify for free or discounted care

As a nonprofit hospital, Avera St Mary'S Hospital must have a written financial assistance policy under IRS rule 501(r). You can usually apply up to 240 days after your first bill, even if it went to collections.

Start an application cover letter

3. Send it in writing

A written request creates a record. Fill in your details, then print, email or mail it to Avera St Mary'S Hospital billing.

  • Request an itemized bill
    Every charge, with its billing code. Start here.
    Get letter
  • Apply for financial assistance
    Cover letter for the hospital's application, with a request to pause collections.
    Create letter
  • Dispute a charge
    For duplicate lines, services you didn't get, or prices you want explained.
    Start dispute

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Avera St Mary'S Hospital in Pierre, South Dakota receives a BillKarma billing grade of F based on an average markup of 41.1x Medicare rates across 12 procedures in their published price transparency file. This places it among the 10 most expensive hospitals in South Dakota by markup ratio. The highest individual markups are for Egd biopsy single/multiple (74.5x Medicare) and Lap ing hernia repair init (72.5x Medicare). Patients with scheduled procedures at this hospital should review costs and compare nearby alternatives before confirming — charges at D and F grade hospitals are significantly above the national average.

Common procedure prices

Last updated: 2026-10-21

Code Description Hospital charge Medicare pays Markup
43239 Egd biopsy single/multiple $9206.35 $123.58 74.5×
49650 Lap ing hernia repair init $30738.09 $424.19 72.5×
44970 Laparoscopy appendectomy $29421.86 $578.17 50.9×
45378 Diagnostic colonoscopy $7747.97 $164.67 47.1×
27447 Total Knee Replacement $50149.58 $1159.35 43.3×
11042 Wound Debridement $2388.05 $55.78 42.8×
45385 Colonoscopy w/lesion removal $7690.04 $223.45 34.4×
47562 Laparoscopic cholecystectomy $21323.01 $631.95 33.7×
29881 Knee Arthroscopy $15917.25 $515.71 30.9×
70551 Mri brain stem w/o dye $4722.01 $195.40 24.2×
59025 Fetal non-stress test $1201.83 $50.44 23.8×
70553 Mri brain stem w/o & w/dye $4903.20 $316.97 15.5×

Highlighted: charged at 5× or more what Medicare pays for the same code.

How to dispute a bill from Avera St Mary'S Hospital

Last updated: 2026-10-21

AVERA ST MARY'S HOSPITAL currently shows a billing grade of F with an average markup around 41.1x versus Medicare reference rates. In currently loaded benchmark samples, this is above the national average (8.0x). Use that benchmark when asking billing to review line items and justify large gaps. This hospital appears to be nonprofit. Ask for the formal financial assistance application, income thresholds, and deadline rules before making payment commitments. Reported charity-care level is not reported. Before paying, scan your bill with BillKarma to identify line-item issues and generate a dispute packet.

Location

Location map unavailable for this hospital.

Map shows Avera St Mary'S Hospital at 801 E SIOUX, Pierre, South Dakota, 57501. Nearby hospitals within 50 miles include Avera Dells Area Hospital - Cah, Avera Flandreau Hospital - Cah, Avera Gregory Hospital.

Nearby hospitals