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Short Term Acute Care HospitalGovernment - Hospital District Or Authority

Atrium Health Union

Atrium Health · Monroe, NC

600 Hospital Drive, Monroe, NC 28112(704) 283-3100

4 of 5

CMS star rating

183

Beds

15,236

Inpatient discharges a year

$454.1M

Net patient revenue a year

36

In-network payers

About this hospital

Atrium Health Union is a 183-bed government - hospital district or authority hospital in Monroe, NC, affiliated with Atrium Health. Below you'll find publicly disclosed negotiated rates and facility details, including 36 in-network payers and 431 disclosed rate categories.

  • Disproportionate share hospital
  • Helipad
CCN
340130
NPI
1396790325
Health system
Atrium Health
Teaching
Teaching hospital
County
Union County
Metro area
Charlotte-Concord-Gastonia, NC-SC MSA
Medicare contractor
Jurisdiction M, Palmetto GBA (11501)
In Medicare since
1966
Last CMS survey
2016

Prices for common services

The 24 services Atrium Health Union 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.

Childbirth · Inpatient

Vaginal delivery, hospital stay

MS-DRG 807

$6,679 - $12,067

from 4 insurers · median $7,464

UnitedHealthcare$6,709
Insurer A*$6,679
Insurer B*$8,220
Insurer C*$12,067

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

Childbirth · Inpatient

Cesarean delivery, hospital stay

MS-DRG 788

$8,702 - $16,232

from 4 insurers · median $11,194

UnitedHealthcare$8,702
Insurer A*$10,411
Insurer B*$11,978
Insurer C*$16,232

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

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$1,094 - $2,818

from 4 insurers · median $2,556

Aetna$2,326
Insurer A*$1,094
Insurer B*$2,786
Insurer C*$2,818
Medicare $330Nearby hospitals $1,29997% above nearby hospitals

Common here, based on CMS Medicare volume

CT imaging

CT head or brain without contrast

CPT 70450

$431 - $1,112

from 4 insurers · median $1,031

Aetna$963
Insurer A*$431
Insurer B*$1,099
Insurer C*$1,112
Medicare $99Nearby hospitals $56483% above nearby hospitals

Common here, based on CMS Medicare volume

How the insurers pay at Atrium Health Union

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*21
634%
510
Insurer B*21
627%
124
Insurer C*22
414%
116
Insurer D*21
250%
512

How we chose these services: 3 appear in this hospital's own Medicare claims, 16 are common here based on CMS Medicare volume, and 5 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 Atrium Health Union, 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)
AmbetterAmeri HealthAspirus Health PlanAvera Health PlansBanner HealthCentene

More about this hospital

  • Quality

    4 of 5 stars

    • 132 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.40%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • Teaching hospital
    • 39 services
    • 1,040 affiliated clinicians
    See doctors and services
  • Finances

    $454.1M net patient revenue

    • Operating margin on patient care 26.5%
    • $24.4M unreimbursed and uncompensated care
    • $124.6M net income
    See finances
  • Ownership and leadership

    Owned by Advocate Health Inc

    • Hospital district or authority
    • Kenneth D Haynes, chief executive
    See ownership and leadership

Tax IDs and NPIs insurers list

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

Tax ID (EIN)Plans and networks listing itOrganization NPIs
56-0529945(multi-state) Atrium Health University City67Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 62 more1487866315 The Charlotte-mecklenburg Hospital Authority1346297892 The Charlotte-mecklenburg Hospital Authority1396790325 The Charlotte-mecklenburg Hospital Authorityand 290 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

600 Hospital Drive, Monroe, NC 28112

(704) 283-3100

Get directions

Frequently asked questions

About Atrium Health Union's rates and hospital price transparency.

How much does an MRI cost at Atrium Health Union?

For MRI brain before and after contrast (CPT 70553), published negotiated rates at Atrium Health Union range from $904 to $2,388 across 4 insurers. Cigna's rate is $2,303. The median at nearby comparable hospitals is $1,444. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Atrium Health Union?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Atrium Health Union range from $1,094 to $2,818 across 4 insurers. Aetna's rate is $2,326. The median at nearby comparable hospitals is $1,299. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does giving birth cost at Atrium Health Union?

For Vaginal delivery, hospital stay (MS-DRG 807), published negotiated rates at Atrium Health Union range from $6,679 to $12,067 across 4 insurers. UnitedHealthcare's rate is $6,709. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Atrium Health Union?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Atrium Health Union range from $181 to $331 across 4 insurers. Cigna's rate is $331. The median at nearby comparable hospitals is $203. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Atrium Health Union?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Atrium Health Union range from $15,496 to $50,287 across 4 insurers. Blue Cross Blue Shield's rate is $26,925. The median at nearby comparable hospitals is $30,599. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Atrium Health Union's CMS star rating?

Atrium Health Union 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 Atrium Health Union a teaching hospital?

Yes. CMS counts 0.02 Medicare-funded residents per bed at Atrium Health Union for fiscal year 2027, so it is a teaching hospital.

Does Medicare penalize Atrium Health Union for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Atrium Health Union's base inpatient payments by an estimated 0.40% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Atrium Health Union?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (179 discharges), heart failure and shock with mcc (163 discharges), respiratory infections and inflammations with mcc (87 discharges).

What is Atrium Health Union's case mix index?

Atrium Health Union's Medicare case mix index is 1.41 for fiscal year 2027, higher than 18% of hospitals paid under the inpatient prospective payment system.

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
      }
    ]
  }]
}
  • CMS template layout, in JSON or CSV
  • Gross, discounted cash, payer-specific and de-identified min / max charges
  • cms-hpt.txt file and homepage footer link
  • Refreshed when your contracts change
Talk to us about your MRF
Chargemaster analysis

Get your chargemaster right for billing and payer contracts

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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