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Short Term Acute Care HospitalProprietary

Nashoba Valley Medical Center

Steward Health Care System · Ayer, MA

200 Groton Road, Ayer, MA 01432(978) 784-9000

Not rated by CMS

CMS star rating

77

Beds

958

Inpatient discharges a year

$38.2M

Net patient revenue a year

21

In-network payers

About this hospital

Nashoba Valley Medical Center is a 77-bed proprietary hospital in Ayer, MA, affiliated with Steward Health Care System. Below you'll find publicly disclosed negotiated rates and facility details, including 21 in-network payers and 206 disclosed rate categories.

CCN
220098
NPI
1477859254
Health system
Steward Health Care System
Teaching
No Medicare-funded residents
Medicare contractor
Jurisdiction 5, WPS Government Health Administrators (05901)

Prices for common services

The 24 services Nashoba Valley 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.

Medicine & Surgery · Inpatient

Major lower-extremity joint replacement without MCC

MS-DRG 470

$15,487 - $27,619

from 3 insurers · median $17,715

UnitedHealthcare$15,487
Insurer A*$17,715
Insurer B*$27,619
Medicare $11,815Nearby hospitals $17,363In line with nearby hospitals

28 Medicare discharges for this DRG in CMS hospital data

CT imaging

CT abdomen and pelvis with contrast

CPT 74177

$1,050 - $1,138

from 2 insurers · median $1,094

UnitedHealthcare$1,138
Insurer A*$1,050
Medicare $401Nearby hospitals $1,84241% below nearby hospitals

Common here, based on CMS Medicare volume

Medicine & Surgery · Inpatient

Spinal fusion except cervical without MCC

MS-DRG 460

$30,308 - $54,837

from 2 insurers · median $42,572

UnitedHealthcare$30,308
Insurer A*$54,837
Medicare $27,950

Hospital reports orthopedic surgery services to CMS

Medicine & Surgery · Inpatient

Cervical spinal fusion without CC or MCC

MS-DRG 473

$20,395 - $36,371

from 2 insurers · median $28,383

UnitedHealthcare$20,395
Insurer A*$36,371
Medicare $16,162Nearby hospitals $21,74631% above nearby hospitals

Hospital reports orthopedic surgery services to CMS

How the insurers pay at Nashoba Valley 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*24
281%
615
Insurer B*10
157%
05
Insurer C*2
124%
02
Insurer D*4
-
10

How we chose these services: 2 appear in this hospital's own Medicare claims, 14 are common here based on CMS Medicare volume, and 8 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 Nashoba Valley 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)
Avera Health PlansBanner HealthEMI HealthGroup Health Cooperative of South Central WisconsinHarvard Pilgrim Health Care (Point32Health)Health Alliance

More about this hospital

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for Nashoba Valley 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
27-4157855Nashoba Valley Medical Center36Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Aspirus Health Plan, Avera Health Plans and 31 more1477859254 Nashoba Valley Medical Center A Steward Family Hospital Inc1700216850 Nashoba Valley Medical Center A Steward Family Hospital Inc.1164427431 Essent Healthcare - Ayer Inc.and 1 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

200 Groton Road, Ayer, MA 01432

(978) 784-9000

Get directions

Frequently asked questions

About Nashoba Valley Medical Center's rates and hospital price transparency.

How much does an MRI cost at Nashoba Valley Medical Center?

For MRI lumbar spine without contrast (CPT 72148), published negotiated rates at Nashoba Valley Medical Center range from $628 to $721 across 2 insurers. Blue Cross Blue Shield's rate is $628. The median at nearby comparable hospitals is $1,358. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a CT scan cost at Nashoba Valley Medical Center?

For CT abdomen and pelvis with contrast (CPT 74177), published negotiated rates at Nashoba Valley Medical Center range from $1,050 to $1,138 across 2 insurers. UnitedHealthcare's rate is $1,138. The median at nearby comparable hospitals is $1,842. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a colonoscopy cost at Nashoba Valley Medical Center?

For Colonoscopy with polyp removal (CPT 45385), published negotiated rates at Nashoba Valley Medical Center range from $354 to $3,346 across 2 insurers. UnitedHealthcare's rate is $3,346. The median at nearby comparable hospitals is $1,881. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does a mammogram cost at Nashoba Valley Medical Center?

For Screening mammography, bilateral (CPT 77067), published negotiated rates at Nashoba Valley Medical Center range from $94 to $221 across 2 insurers. Blue Cross Blue Shield's rate is $221. The median at nearby comparable hospitals is $387. What a patient pays depends on their plan's deductible, coinsurance and network status.

How much does hip or knee replacement cost at Nashoba Valley Medical Center?

For Major lower-extremity joint replacement without MCC (MS-DRG 470), published negotiated rates at Nashoba Valley Medical Center range from $15,487 to $27,619 across 3 insurers. UnitedHealthcare's rate is $15,487. The median at nearby comparable hospitals is $17,363. What a patient pays depends on their plan's deductible, coinsurance and network status.

Is Nashoba Valley Medical Center a teaching hospital?

CMS reports no Medicare-funded interns or residents at Nashoba Valley Medical Center for fiscal year 2026.

Does Medicare penalize Nashoba Valley Medical Center for readmissions?

Yes. Under the Hospital Readmissions Reduction Program, Medicare cuts Nashoba Valley Medical Center's base inpatient payments by an estimated 0.69% in fiscal year 2026 for more readmissions than expected.

What are the most common Medicare inpatient stays at Nashoba Valley Medical Center?

In 2024, the most common were simple pneumonia and pleurisy with mcc (30 discharges), heart failure and shock with mcc (18 discharges), septicemia or severe sepsis without mv >96 hours with mcc (17 discharges).

What is Nashoba Valley Medical Center's case mix index?

Nashoba Valley Medical Center's Medicare case mix index is 1.36 for fiscal year 2026, higher than 13% of hospitals paid under the inpatient prospective payment system.

How many patients does Nashoba Valley Medical Center admit?

Nashoba Valley Medical Center reported 958 inpatient discharges and 3,071 inpatient days from Jan 1, 2024 to Aug 30, 2024.

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.

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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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