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Short Term Acute Care HospitalVoluntary Non-Profit - Private

Massachusetts General Hospital

Mass General Brigham · Boston, MA

55 Fruit Street, Boston, MA 02114(617) 726-2000

5 of 5

CMS star rating

1,021

Beds

47,091

Inpatient discharges a year

$4.5B

Net patient revenue a year

42

In-network payers

Photo 1: tom.austin@gmail.com, CC BY-SA 3.0, via Wikimedia Commons · Photo 2: Public domain (USGS NAIP, CONUS), via USGS National Map / USDA NAIP

About this hospital

Massachusetts General Hospital is a 1021-bed voluntary non-profit - private hospital in Boston, MA, affiliated with Mass General Brigham. Below you'll find publicly disclosed negotiated rates and facility details, including 42 in-network payers and 284 disclosed rate categories.

  • Rural referral center
  • Reclassified as rural
  • Disproportionate share hospital
  • 340B participant
  • Helipad
CCN
220071
NPI
1023049236
Health system
Mass General Brigham
Teaching
Major teaching hospital
County
Suffolk County
Metro area
Boston-Cambridge-Newton, MA-NH MSA
Medicare contractor
Jurisdiction K, National Government Services (14011)
In Medicare since
1966
Last CMS survey
2010

Prices for common services

The 24 services Massachusetts General Hospital 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.

Medicine & Surgery · Inpatient

Major cardiothoracic procedure with cardiac catheterization and MCC

MS-DRG 216

$209,740 - $326,488

from 2 insurers · median $268,114

Blue CrossNot published
Insurer A*est.$209,740
Insurer B*est.$326,488
Medicare $109,358Nearby hospitals $139,79992% above nearby hospitals

29 Medicare discharges for this DRG in CMS hospital data

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$658 - $2,073

from 4 insurers · median $980

Aetna$658
Insurer A*$891
Insurer B*$1,069
Insurer C*$2,073
Medicare $396Nearby hospitals $8989% above nearby hospitals

Common here, based on CMS Medicare volume

Mammography

Screening mammography, bilateral

CPT 77067

$217 - $448

from 4 insurers · median $416

UnitedHealthcare$420
Insurer A*$217
Insurer B*$412
Insurer C*$448
Medicare $103Nearby hospitals $25464% above nearby hospitals

Common here, based on CMS Medicare volume

Gynecology

Hysteroscopy with sampling of the uterine lining

CPT 58558

$2,921 - $4,175

from 2 insurers · median $3,548

UnitedHealthcare$4,175
Insurer A*$2,921
Medicare $3,678Nearby hospitals $4,62823% below nearby hospitals

115 Medicare claims in Level 4 Gynecologic Procedures (CMS 2024)

How the insurers pay at Massachusetts General Hospital

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
417%
173
Insurer B*19
349%
99
Insurer C*23
279%
117
Insurer D*21
213%
1010

How we chose these services: 6 appear in this hospital's own Medicare claims, 17 are common here based on CMS Medicare volume, and 1 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 Massachusetts General Hospital, 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 HealthCenteneComPsych

More about this hospital

  • Quality

    5 of 5 stars

    • 288 min in the ER before going home (US median 148)
    • No Medicare readmissions penalty
    See quality ratings
  • Doctors and services

    Accredited by The Joint Commission

    • Major teaching hospital
    • 50 services, including trauma & transplant care
    • 5,727 affiliated clinicians
    See doctors and services
  • Finances

    $4.5B net patient revenue

    • Operating margin on patient care -54.7%
    • $318.8M unreimbursed and uncompensated care
    • $373M net income
    See finances
  • Ownership and leadership

    Private (not for profit)

    • Anne Klibanski, 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 Massachusetts General Hospital in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)Plans and networks listing itOrganization NPIs
04-2697983The General Hospital Corporation78Aetna, BCBS Massachusetts, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems and 73 more1023049236 The General Hospital Corporation1801874573 Massachusetts General Physicians Organization Inc1649363243 Revere Health Center Pharmacyand 43 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

55 Fruit Street, Boston, MA 02114

(617) 726-2000

Get directions

Frequently asked questions

About Massachusetts General Hospital's rates and hospital price transparency.

How much does an MRI cost at Massachusetts General Hospital?

For MRI brain before and after contrast (CPT 70553), published negotiated rates at Massachusetts General Hospital range from $882 to $2,447 across 4 insurers. Blue Cross Blue Shield's rate is $1,112. The median at nearby comparable hospitals is $911. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Massachusetts General Hospital?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Massachusetts General Hospital range from $658 to $2,073 across 4 insurers. Aetna's rate is $658. The median at nearby comparable hospitals is $898. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Massachusetts General Hospital?

For Colonoscopy with polyp removal (CPT 45385), published negotiated rates at Massachusetts General Hospital range from $463 to $1,738 across 4 insurers. Cigna's rate is $1,738. The median at nearby comparable hospitals is $2,460. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Massachusetts General Hospital?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Massachusetts General Hospital range from $217 to $448 across 4 insurers. UnitedHealthcare's rate is $420. The median at nearby comparable hospitals is $254. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Massachusetts General Hospital?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Massachusetts General Hospital range from $22,631 to $61,256 across 3 insurers. Blue Cross Blue Shield's rate is $22,631. The median at nearby comparable hospitals is $20,760. What a patient pays depends on their plan's deductible, coinsurance and network status.

What is Massachusetts General Hospital's CMS star rating?

Massachusetts General Hospital has a CMS overall hospital star rating of 5 out of 5 on Medicare Care Compare (CMS data released 2026-08-13). That is the top rating, shared by 12% of US hospitals.

Is Massachusetts General Hospital a teaching hospital?

Yes. CMS counts 0.68 Medicare-funded residents per bed at Massachusetts General Hospital for fiscal year 2027, so it is a major teaching hospital.

Does Medicare penalize Massachusetts General Hospital for readmissions?

No. Massachusetts General Hospital has no Hospital Readmissions Reduction Program penalty in fiscal year 2027.

What are the most common Medicare inpatient stays at Massachusetts General Hospital?

In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (640 discharges), heart failure and shock with mcc (466 discharges), respiratory infections and inflammations with mcc (329 discharges).

What is Massachusetts General Hospital's case mix index?

Massachusetts General Hospital's Medicare case mix index is 2.77 for fiscal year 2027, higher than 96% 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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