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Reviewed by John Caruso, FSA, MAAA • Data last updated

Colonoscopy Cost in Wisconsin (2026): Average Prices & What You'll Pay

What does a colonoscopy cost in Wisconsin?

A colonoscopy in Wisconsin is priced differently for each type of coverage. With commercial insurance it typically runs $888–$2,345, facility and physician fees combined. Medicare pays one national rate to every provider, and you generally owe about 20% of it (around $245) after the Part B deductible. Without insurance, posted hospital cash prices run $215–$1,349. The sections below break this down by coverage and by insurer. This estimate is based on CMS fee schedules and hospital price transparency data published under federal law.

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Where colonoscopy costs vary in Wisconsin

Pins show hospitals with price-transparency data (colored by vs. state average) and nearby ambulatory surgery centers and other facilities (colored by type). Click any pin for facility name and estimated cost range.

Hospital (below avg) Hospital (above avg) Ambulatory Surgery Center Click a pin for details.

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Cheapest Colonoscopy Providers in Wisconsin

Based on declared cash/self-pay prices from CMS hospital price transparency files.

# Facility City Price vs median ($680)
1 ST MARYS HOSPITAL MEDICAL CENTER OF GREEN BAY INC HOSPITAL SISTERS Green Bay, WI $217 $463 below
2 ST NICHOLAS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST FRANCIS Sheboygan, WI $217 $463 below
3 ST VINCENT HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST FRANCIS Green Bay, WI $225 $455 below
4 St Joseph’s Health Services Inc Hillsboro, WI $227 $453 below
5 Memorial Hospital of Boscobel Boscobel, WI $256 $424 below
6 Tri-County Memorial Hospital Inc Whitehall, WI $257 $423 below
7 Aspirus Langlade Hospital Antigo, WI $260 $420 below
8 Froedtert Pleasant Prairie Hospital Pleasant Prairie, WI $261 $419 below

Prices are declared self-pay rates. Contact each facility for a formal quote before scheduling.

Before you book: three questions that change the price

  1. Is this the self-pay price, and does it include the doctor, anesthesia and any lab or pathology? Those are often billed separately.
  2. Can you give me the price in writing, with the billing codes it covers?
  3. What happens to the price if something extra is needed during the procedure?

Estimate your out-of-pocket cost →  ·  When the bills arrive, we check them for errors →

Quick take

  • ST MARYS HOSPITAL MEDICAL CENTER OF GREEN BAY INC HOSPITAL SISTERS is the lowest-cost option at $217 - $463 below the median posted price ($680), just by choosing where you go.
  • Ask for the cash price if your deductible isn't met - the median cash price here is $677, and it's often lower than what insurance pays before your deductible is satisfied.
  • This dataset covers hospitals only - freestanding ASCs, which routinely run 30-60% cheaper for the same procedure, aren't included, so it's worth asking your doctor whether one is an option.
Colonoscopy prices by coverage in Wisconsin, October 2026
CoverageHospitals with a rateTypical rangeMedian
Medicare (national rate)—$950 to $2,352$1,223
With insurance (commercial, average)87$528 to $2,685$1,707
Without insurance (cash price)143$215 to $1,349$677
Anthem Blue Cross and Blue Shield68$172 to $2,692$1,081
UnitedHealthcare59$311 to $2,836$2,347
Cigna41$692 to $3,500$1,984
Aetna28$789 to $1,894$1,894

Rates are negotiated allowed amounts and cash prices from hospital price-transparency files (October 2026), shown at each hospital’s lowest-priced typical billing code for this procedure. Facility fees only. The typical range is the middle 80% of hospitals, not a quote for your visit.

How much does a colonoscopy cost with Medicare in Wisconsin?

Medicare's national hospital outpatient payment for colonoscopy is about $950 to $2,352 (typically near $1,223). After the $257 Part B deductible, you generally pay 20% of the Medicare-approved amount, about $245 on a $1,223 payment, with no out-of-pocket cap unless you have supplemental coverage or a Medicare Advantage plan.

Doctor, anesthesia and pathology fees are billed separately. Medicare rates are national CMS amounts, adjusted slightly by local wage levels.

How much does a colonoscopy cost with insurance in Wisconsin?

Across 87 Wisconsin hospitals, the negotiated rates commercial insurers pay for colonoscopy average $528 to $2,685 per hospital, with a median near $1,707. That is the amount your plan and you pay the hospital together; you owe your deductible, then coinsurance, up to your out-of-pocket maximum.

Each hospital’s figure is the average of the commercial insurers it lists. Medicare, Medicare Advantage and Medicaid rates are excluded.

How much does a colonoscopy cost without insurance in Wisconsin?

Cash (self-pay) prices for colonoscopy at 143 Wisconsin hospitals range from $215 to $1,349, with a median of $677. Ask for the cash or self-pay price and for any financial-assistance discount before you book; both can be lower than the posted price.

Cash prices are the hospital’s published discounted rate for patients paying without insurance.

How much does a colonoscopy cost with Anthem Blue Cross and Blue Shield in Wisconsin?

Anthem Blue Cross and Blue Shield negotiated rates for colonoscopy at 68 Wisconsin hospitals range from $172 to $2,692, with a median near $1,081. Your own cost depends on your plan’s deductible and coinsurance, and on whether the hospital is in your network.

Includes Blue Cross and Blue Shield and Anthem plans listed by each hospital.

How much does a colonoscopy cost with UnitedHealthcare in Wisconsin?

UnitedHealthcare negotiated rates for colonoscopy at 59 Wisconsin hospitals range from $311 to $2,836, with a median near $2,347. If a hospital is out of network for your UnitedHealthcare plan, you may owe more than the negotiated rate, so check the network first.

How much does a colonoscopy cost with Cigna in Wisconsin?

Cigna negotiated rates for colonoscopy at 41 Wisconsin hospitals range from $692 to $3,500, with a median near $1,984. If a hospital is out of network for your Cigna plan, you may owe more than the negotiated rate, so check the network first.

How much does a colonoscopy cost with Aetna in Wisconsin?

Aetna negotiated rates for colonoscopy at 28 Wisconsin hospitals range from $789 to $1,894, with a median near $1,894. If a hospital is out of network for your Aetna plan, you may owe more than the negotiated rate, so check the network first.

How where you go changes what you pay for colonoscopy

The same colonoscopy bundles different services depending on the setting - facility fee, surgeon fee, and anesthesia each arrive as separate bills. Estimated ranges below reflect the typical full bundled cost, including all expected charges.

Hospital Outpatient
$285–$14,025
  • Facility fee $201–$5,749
  • Professional fee $84–$8,276

Estimated from CMS fee schedules + commercial rate multipliers

Hospital Inpatient
$298–$15,313
  • Facility fee $214–$7,037
  • Professional fee $84–$8,276

Estimated from CMS fee schedules + commercial rate multipliers

Ambulatory Surgery Center
$490–$10,410
  • Facility fee $222–$1,642
  • Professional fee $84–$8,276
  • Anesthesia $184–$492

Estimated from CMS fee schedules + commercial rate multipliers

Note: Ambulatory surgery centers (ASCs) are often 30–60% cheaper than hospital outpatient departments for the same procedure. Most ASC prices are not in the hospital transparency dataset above. Ask your doctor whether this procedure can be done at a freestanding ASC.

Advocate Aurora Health (formed in the Illinois-Wisconsin merger) and Ascension Wisconsin are the dominant systems in the Milwaukee market, while UW Health anchors the Madison market. Wisconsin's hospital market is moderately competitive in major metros but increasingly concentrated in rural areas. Prices tend to run near or slightly below the Midwest median. Colonoscopy pricing is particularly sensitive to screening vs. diagnostic coding. A screening colonoscopy is typically covered at 100% under preventive care benefits, but if a polyp is removed or a finding is documented during the same visit, the claim is often re-coded as diagnostic - triggering your deductible and coinsurance. Ambulatory surgery centers perform over 70% of colonoscopies nationally and charge substantially less than hospital outpatient settings.

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Why prices vary - and what it means for your coverage

A small number of hospitals (8) report prices above $2,472, including PAM Rehabilitation Hospital of Wausau LLC at $3,728, which drives most of the overall spread - excluding them, most facilities cluster in a much tighter band. Setting matters too: the median outpatient price is $677 versus $746 inpatient, so where a procedure happens often matters more than which hospital you pick. The biggest swing for this procedure is screening versus diagnostic coding - a polyp removed during a routine screening can recode the whole visit as diagnostic and trigger cost-sharing you weren't expecting.

What you pay out of pocket on top of this depends on your deductible, your plan's out-of-pocket maximum, and whether every provider involved is in-network - not just the facility.

Your situation Estimated out-of-pocket
Deductible not yet met ~$1,528
Deductible met - 20% coinsurance ~$306
Out-of-network provider $3,362+

Frequently asked questions: colonoscopy costs in Wisconsin

How much does a colonoscopy cost in Wisconsin?

The typical insurer-negotiated rate is $486, with most facilities between $69 and $813 (based on 133 hospitals reporting negotiated rates). That is the hospital's negotiated rate alone; with physician fees, a commercially insured patient's full episode is typically $888–$2,345. Posted cash prices at the middle 80% of Wisconsin hospitals run $215–$1,349; outlier facilities above and below that range are left out. What you pay depends on the facility, your insurance, and whether you have met your deductible.

Where is the cheapest place to get a colonoscopy in Wisconsin?

Based on declared prices, the lowest posted price in our Wisconsin data is ST MARYS HOSPITAL MEDICAL CENTER OF GREEN BAY INC HOSPITAL SISTERS in Green Bay at about $217. By metro, Green Bay has the lowest median ($366). Freestanding ambulatory surgery centers are often cheaper still and may not appear in hospital price data - ask your doctor whether one is an option.

Why is a colonoscopy so much cheaper at some Wisconsin hospitals?

Typical prices vary about 11.8× (25th to 70th percentile of negotiated rates) because each hospital sets its own list price, cash discount, and insurer-negotiated rates. In Wisconsin, the median cash (self-pay) price is $677 versus a median negotiated rate of $1,707 - cash is the lower number at many hospitals. Asking for the cash price as well as your insurer's negotiated rate is often the single biggest lever on what you pay.

How much will I actually pay out of pocket for a colonoscopy in Wisconsin?

Your out-of-pocket cost depends on your deductible, coinsurance, out-of-pocket maximum, and whether the facility is in-network - not just the sticker price. If you have not met your deductible, you will typically pay the negotiated rate in full until you do. Use the CostKits cost forecaster to estimate your specific out-of-pocket amount before you go.

Before you book

Other procedures in Wisconsin

Colonoscopy, elsewhere

What matters before you schedule

ASC vs. hospital

Hospital outpatient departments typically charge 2-4x more than ambulatory surgery centers for the same colonoscopy - same outcome, very different bill. Call ahead and ask for a self-pay or cash quote at each setting you're considering.

What's on your bill

A colonoscopy involves multiple providers who bill separately - typically Facility Fee, Gastroenterologist Fee, Anesthesia. Check each line item against your Explanation of Benefits to catch billing errors.

Cost by type

Which type your doctor orders for this colonoscopy changes the billing code, and what you pay. For example: Billed as preventive care - often covered at $0 under the ACA when you are average-risk and in-network.

What to ask before you book

Get the CPT code from your doctor, confirm every provider involved (not just the facility) is in-network, ask for the cash-pay rate if you're uninsured or haven't met your deductible, and request a written estimate for colonoscopy before you schedule.

CostKits compiles hospital price transparency data to help families make informed decisions. Track and manage your healthcare costs (free account).

Other Procedure Costs in Wisconsin

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General surgery

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Ear, nose and throat

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Emergency care

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About the Author

John Caruso, FSA, MAAA

Healthcare actuary with 20+ years of experience in insurance pricing, medical billing systems, and healthcare cost analytics.

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Published July 17, 2026 · Updated October 29, 2026

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