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Short Term Acute Care HospitalGovernment - Local

Mary Greeley Medical Center

Ames, IA

1111 Duff Avenue, Ames, IA 50010(515) 239-2011

4 of 5

CMS star rating

200

Beds

9,442

Inpatient discharges a year

$259.4M

Net patient revenue a year

34

In-network payers

About this hospital

Mary Greeley Medical Center is a 200-bed government - local hospital in Ames, IA. Below you'll find publicly disclosed negotiated rates and facility details, including 34 in-network payers and 125 disclosed rate categories.

  • Rural referral center
  • Disproportionate share hospital
CCN
160030
NPI
1477539492
Teaching
No Medicare-funded residents
County
Story County
Metro area
Ames, IA MSA
Medicare contractor
Jurisdiction 5, WPS Government Health Administrators (05001)
In Medicare since
1966
Last CMS survey
2019

Prices for common services

The 24 services Mary Greeley Medical Center most likely performs, ranked by likely volume and what it is paid. Each service names one insurer. * marks hidden insurer names; A, B and C rank the remaining rates from low to high and reset for each service.

Book a demo to see hidden insurer names, more payer rates, and hospital data, or start a free trial.

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$424 - $4,887

from 4 insurers · median $2,713

Aetna$4,887
Insurer A*$424
Insurer B*$1,760
Insurer C*est.$3,665
Medicare $321Nearby hospitals $1,015167% above nearby hospitals

Common here, based on CMS Medicare volume

Childbirth · Inpatient

Vaginal delivery, hospital stay

MS-DRG 807

$4,853 - $9,244

from 2 insurers · median $7,049

Blue Cross$4,853
Insurer A*$9,244

CMS lists this service as CPT 59400, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 807, so these are facility case rates.

Hospital reports neonatal nursery services to CMS

Medicine & Surgery · Inpatient

Spinal fusion except cervical without MCC

MS-DRG 460

$57,415 - $57,882

from 2 insurers · median $57,649

UnitedHealthcare$57,882
Insurer A*$57,415
Medicare $20,515Nearby hospitals $46,08825% above nearby hospitals

47 Medicare discharges for this DRG in CMS hospital data

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$11,481 - $13,108

from 2 insurers · median $12,294

Blue Cross$11,481
Insurer A*$13,108

CMS lists this service as CPT 59510, the obstetrician's global fee. The hospital bills the delivery stay as MS-DRG 788, so these are facility case rates.

Hospital reports neonatal nursery services to CMS

How the insurers pay at Mary Greeley Medical Center

Median rate as a percent of Medicare across the outpatient services above, and how many services sit above or below the same insurer's median at nearby hospitals. * marks hidden insurer names. These table labels track the same insurers across services; the labels on each service card reset.

InsurerServicesMedian % of MedicareAbove nearbyBelow nearby
Insurer A*12
881%
101
Insurer B*18
370%
134
Insurer C*24
180%
118
Insurer D*20
119%
112

How we chose these services: 7 appear in this hospital's own Medicare claims, 14 are common here based on CMS Medicare volume, and 3 are typical for the service lines it reports to CMS. Rates come from insurer and hospital price transparency files as of October 2026. Rates under a quarter of Medicare or over 20 times Medicare are left out as likely physician-fee rows or file errors. Book a demo to see all 300 CMS shoppable services for Mary Greeley Medical Center, or start a free trial.

Insurance Accepted

Acceptance varies by plan and service. Confirm coverage with your insurer or the hospital's billing department.

Medicare
Aetna
BCBS
Cigna
United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health)
Ameri HealthAspirus Health PlanAvera Health PlansBanner HealthCenteneEMI Health

More about this hospital

  • Quality

    4 of 5 stars

    • 146 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.11%)
    See quality ratings

  • Doctors and services

    No Medicare-funded residents

    • 43 services, including trauma care
    • 303 affiliated clinicians
    See doctors and services

  • Finances

    $259.4M net patient revenue

    • Operating margin on patient care 1.0%
    • $5.2M unreimbursed and uncompensated care
    • $57.8M net income
    See finances

  • Ownership and leadership

    Owned by City Of Ames Iowa

    • Local
    • Amber Deardorff, chief executive
    See ownership and leadership

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for Mary Greeley Medical Center in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)Plans and networks listing itOrganization NPIs
42-1347891Mary Greeley Medical Center63Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 58 more1477539492 Mary Greeley Medical Center1457337263 Mary Greeley Medical Center1285610089 Mary Greeley Medical Centerand 10 more

Source: PayerPrice analysis of insurers' Transparency in Coverage in-network files. An EIN can cover several hospitals and clinics in a health system, and insurers sometimes list other organizations' NPIs under it.

Location

1111 Duff Avenue, Ames, IA 50010

(515) 239-2011

Get directions

Frequently asked questions

About Mary Greeley Medical Center's rates and hospital price transparency.

How much does an MRI cost at Mary Greeley Medical Center?

For MRI brain before and after contrast (CPT 70553), published negotiated rates at Mary Greeley Medical Center range from $482 to $3,734 across 4 insurers. Blue Cross Blue Shield's rate is $482. The median at nearby comparable hospitals is $882. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Mary Greeley Medical Center?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Mary Greeley Medical Center range from $424 to $4,887 across 4 insurers. Aetna's rate is $4,887. The median at nearby comparable hospitals is $1,015. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Mary Greeley Medical Center?

For Colonoscopy with polyp removal (CPT 45385), published negotiated rates at Mary Greeley Medical Center range from $567 to $4,319 across 3 insurers. UnitedHealthcare's rate is $1,107. The median at nearby comparable hospitals is $2,296. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Mary Greeley Medical Center?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Mary Greeley Medical Center range from $4,853 to $9,244 across 2 insurers. Blue Cross Blue Shield's rate is $4,853. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Mary Greeley Medical Center?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Mary Greeley Medical Center range from $171 to $307 across 4 insurers. Cigna's rate is $241. The median at nearby comparable hospitals is $179. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Mary Greeley Medical Center?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Mary Greeley Medical Center range from $21,305 to $30,769 across 2 insurers. UnitedHealthcare's rate is $30,769. The median at nearby comparable hospitals is $23,567. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Mary Greeley Medical Center's CMS star rating?

Mary Greeley Medical Center has a CMS overall hospital star rating of 4 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is higher than 58% of US hospitals.

Is Mary Greeley Medical Center a teaching hospital?

CMS reports no Medicare-funded interns or residents at Mary Greeley Medical Center for fiscal year 2027.

Does Medicare penalize Mary Greeley Medical Center for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Mary Greeley Medical Center's base inpatient payments by an estimated 0.11% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Mary Greeley Medical Center?

In 2024, the most common were heart failure and shock with mcc (151 discharges), septicemia or severe sepsis without mv >96 hours with mcc (119 discharges), respiratory infections and inflammations with mcc (69 discharges).

For hospital finance and compliance teams

Running price transparency at a hospital like this one?

The data on this page comes from the files hospitals and payers publish. We help hospitals publish theirs correctly, and take a fresh look at their chargemaster.

Compliance MRF

Publish a CMS-compliant machine-readable file

We turn your chargemaster and payer contracts into the CMS template file, then keep it current as rates change.

CMS v3 example: standard_charge_information[0]
{
  "description": "MRI of brain (no contrast)",
  "code_information": [
    { "code": "611", "type": "RC" },
    { "code": "70551", "type": "CPT" }
  ],
  "standard_charges": [{
    "setting": "outpatient",
    "minimum": 250,
    "maximum": 400,
    "gross_charge": 1200,
    "discounted_cash": 1080,
    "payers_information": [
      {
        "payer_name": "Platform Health Insurance",
        "plan_name": "PPO",
        "methodology": "fee schedule",
        "standard_charge_dollar": 400
      },
      {
        "payer_name": "Region Health Insurance",
        "plan_name": "HMO",
        "methodology": "fee schedule",
        "standard_charge_dollar": 250
      }
    ]
  }]
}
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  • Gross, discounted cash, payer-specific and de-identified min / max charges
  • cms-hpt.txt file and homepage footer link
  • Refreshed when your contracts change
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Your chargemaster sets the gross charge on every claim, and many payer contracts base payment on it through percent-of-charge, lesser-of and stop-loss terms. We audit it line by line and show how your charges and negotiated rates compare with peer hospitals before your next negotiation.

What a review covers

CodingPricingPayer contractsCompliance
  • CPT, HCPCS, revenue code and modifier errors flagged line by line
  • Missing, duplicate and outdated charge lines identified
  • Charges set below payer allowables caught before lesser-of clauses cut payment
  • Revenue impact of charge changes modeled across percent-of-charge and stop-loss terms
  • Your negotiated rates benchmarked against peer hospitals for the same payers
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