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Short Term Acute Care HospitalVoluntary Non-Profit - Church

Adventist Health Castle

Adventist Health · Kailua, HI

640 Ulukahiki Street, Kailua, HI 96734(808) 263-5015

4 of 5

CMS star rating

142

Beds

6,335

Inpatient discharges a year

$241.8M

Net patient revenue a year

35

In-network payers

About this hospital

Adventist Health Castle is a 142-bed voluntary non-profit - church hospital in Kailua, HI, affiliated with Adventist Health. Below you'll find publicly disclosed negotiated rates and facility details, including 35 in-network payers and 276 disclosed rate categories.

  • Rural referral center
  • Reclassified as rural
  • Disproportionate share hospital
  • 340B participant
CCN
120006
NPI
1316937691
Health system
Adventist Health
Teaching
No Medicare-funded residents
County
Honolulu County
Metro area
Urban Honolulu, HI MSA
Medicare contractor
Jurisdiction E, Noridian Healthcare Solutions (01011)
In Medicare since
1966
Last CMS survey
2007

Negotiated Rates

The data below comes from CMS-mandated price transparency data. Learn more.

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PayerCategoryCode Type & GroupContract Typevs. State Average

Aetna

Outpatient

CPT Anesthesia

Range: 00100 - 01999

Negotiated

Very High

Aetna

Outpatient

CPT Anesthesia

Range: 00100 - 01999

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Category II Codes

Range: 0001F - 9007F

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Category III Codes

Range: 0042T - 0810T

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Evaluation and Management

Range: 99091 - 99499

Negotiated

Very Low

Aetna

Outpatient

CPT Evaluation and Management

Range: 99091 - 99499

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Medicine Services and Procedures

Range: 90281 - 99607

Negotiated

Very Low

Aetna

Outpatient

CPT Medicine Services and Procedures

Range: 90281 - 99607

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Multianalyte Assay

Range: 0002M - 0018M

Percentage of Bill Charged

-

Aetna

Outpatient

CPT Pathology and Laboratory Procedures

Range: 80047 - 89398

Negotiated

Very Low

Rates shown are negotiated amounts between this hospital and insurance providers. Actual patient costs depend on your insurance plan and coverage details.

...

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)
Aspirus Health PlanAvera Health PlansBanner HealthCenteneEMI HealthGroup Health Cooperative of South Central Wisconsin

More about this hospital

  • Quality

    4 of 5 stars

    • 156 min in the ER before going home (US median 148)
    • Medicare readmissions penalty (-0.04%)
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • No Medicare-funded residents
    • 33 services
    • 368 affiliated clinicians
    See doctors and services
  • Finances

    $241.8M net patient revenue

    • Operating margin on patient care -17.5%
    • $6.8M unreimbursed and uncompensated care
    • -$4.6M net income
    See finances
  • Ownership and leadership

    Owned by Adventist Health System/west

    • Church
    • Chase Aalborg, chief executive
    • 340B drug pricing program participant
    See ownership and leadership

Tax IDs and NPIs insurers list

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

Tax ID (EIN)Plans and networks listing itOrganization NPIs
99-0107330(multi-state) Castle Medical Center63Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Aspirus Health Plan and 58 more1316937691 Castle Medical Center1578948519 Castle Medical Center1679540264 Castle Medical Centerand 9 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

640 Ulukahiki Street, Kailua, HI 96734

(808) 263-5015

Get directions

Frequently asked questions

About Adventist Health Castle's rates and hospital price transparency.

What is Adventist Health Castle's CMS star rating?

Adventist Health Castle 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 Adventist Health Castle a teaching hospital?

CMS reports no Medicare-funded interns or residents at Adventist Health Castle for fiscal year 2027.

Does Medicare penalize Adventist Health Castle for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Adventist Health Castle's base inpatient payments by an estimated 0.04% in fiscal year 2027 for more readmissions than expected.

What are the most common Medicare inpatient stays at Adventist Health Castle?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (145 discharges), psychoses (80 discharges), respiratory infections and inflammations with mcc (61 discharges).

What is Adventist Health Castle's case mix index?

Adventist Health Castle's Medicare case mix index is 1.74 for fiscal year 2027, higher than 56% of hospitals paid under the inpatient prospective payment system.

How many patients does Adventist Health Castle admit?

Adventist Health Castle reported 6,335 inpatient discharges and 25,186 inpatient days from Jan 1, 2025 to Dec 31, 2025.

How many employees does Adventist Health Castle have?

Adventist Health Castle reported 816 full-time-equivalent employees on payroll from Jan 1, 2025 to Dec 31, 2025.

How much revenue does Adventist Health Castle make?

Adventist Health Castle reported $241.8M in net patient revenue on $793.1M of gross charges for Jan 1, 2025 to Dec 31, 2025, an operating margin of -17.5%, and net income of -$4.6M.

How much charity and uncompensated care does Adventist Health Castle provide?

Adventist Health Castle reported $6.8M of unreimbursed and uncompensated care for Jan 1, 2025 to Dec 31, 2025, including $2.9M of charity care at cost.

Who is the CEO of Adventist Health Castle?

Adventist Health Castle's Medicare enrollment lists Chase Aalborg as President since 2024.

For hospital finance and compliance teams

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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.

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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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  • 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.

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  • Missing, duplicate and outdated charge lines identified
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