Psychiatric HospitalVoluntary Non-Profit - Private

Mclean Hospital

Mass General Brigham · Belmont, MA

115 Mill Street, Belmont, MA 02478(617) 855-3450

Not rated by CMS

CMS star rating

309

Beds

6,729

Inpatient discharges a year

$470.9M

Net patient revenue a year

Mclean Hospital aerial view — Photo 1: John Phelan, CC BY 3.0, via Wikimedia Commons · Photo 2: Public domain (USGS NAIP, CONUS), via USGS National Map / USDA NAIP

About this hospital

Mclean Hospital is a 309-bed voluntary non-profit - private hospital in Belmont, MA, affiliated with Mass General Brigham.

CCN: 224007
NPI: 1538185475
Website: mcleanhospital.org
Health system: Mass General Brigham
County: Middlesex 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

Negotiated Rates

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

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Contract data may be available through direct hospital inquiry.

Insurance Accepted

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

More about this hospital

Quality
Not rated by CMS
See quality ratings
Doctors and services
Accredited by The Joint Commission
- 16 services
See doctors and services
Finances
$470.9M net patient revenue
- Operating margin on patient care 14.9%
- $178.5M net income
See finances
Ownership and leadership
Owned by Mass General Brigham Incorporated
- Private (not for profit)
See ownership and leadership

Tax IDs and NPIs insurers list

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

Tax ID (EIN)	Plans and networks listing it	Organization NPIs
04-2697981McLean Hospital	59Aetna, BCBS Massachusetts, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems and 54 more	1538185475 The Mclean Hospital Corporation1932134707 The Mclean Hospital Corporation1114979580 The Mclean Hospital Corporationand 2 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

115 Mill Street, Belmont, MA 02478

(617) 855-3450

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Every CMS quality measure

Each result CMS publishes for Mclean Hospital, beside the US median and the average of MA hospitals. The rank says what share of US hospitals the result is better or worse than; counts and confidence limits are not ranked.

Inpatient psychiatric care15 measures

Measures CMS reports for the hospital's psychiatric unit or for a psychiatric hospital.

Measure	Mclean Hospital	US median	MA average	CMS comparison	US rank
Follow-up care within 30 days after psychiatric hospitalization2023-07-01 to 2024-06-30 · 470 cases	84.5	60.8	71.44		Better than 97% of US hospitals
Follow-up care within 7 days after psychiatric hospitalization2023-07-01 to 2024-06-30 · 470 cases	60.9	35.5	43.85		Better than 96% of US hospitals
Hours of physical-restraint use per 1,000 psychiatric patient hours2024-01-01 to 2024-12-31 · 99,818 cases	0.15	0.05	0.2276		Better than 70% of US hospitals
Hours of seclusion use per 1,000 psychiatric patient hours2024-01-01 to 2024-12-31 · 99,818 cases	0.11	0.03	0.09711		Better than 66% of US hospitals
Psychiatric patients screened for and given the flu vaccine2024-10-01 to 2025-03-31 · 586 cases	89	87	74.23		Better than 54% of US hospitals
Medication continuation after psychiatric discharge2022-07-01 to 2024-06-30 · 591 cases	81.7	78.1	80.48		Better than 66% of US hospitals
Readmitted to any hospital within 30 days of psychiatric discharge2022-07-01 to 2024-06-30 · 1,120 cases	16.5	19.1	19.98	Better Than the National Rate	Better than 88% of US hospitals
Psychiatric patients screened for metabolic disorders2024-01-01 to 2024-12-31 · 672 cases	91	92	80.3		Worse than 51% of US hospitals
Alcohol use brief intervention provided or offered2024-01-01 to 2024-12-31 · 293 cases	84	74	61.19		Better than 61% of US hospitals
Alcohol use brief intervention provided2024-01-01 to 2024-12-31 · 283 cases	87	81	57.42		Better than 60% of US hospitals
Alcohol and other drug use disorder treatment provided or offered at discharge2024-01-01 to 2024-12-31 · 264 cases	90	77	75.34		Better than 68% of US hospitals
Alcohol and other drug use disorder treatment provided at discharge2024-01-01 to 2024-12-31 · 264 cases	74	56	58.66		Better than 64% of US hospitals
Tobacco use treatment provided or offered at discharge2024-01-01 to 2024-12-31 · 384 cases	79	64	50.47		Better than 65% of US hospitals
Tobacco use treatment provided at discharge2024-01-01 to 2024-12-31 · 384 cases	1	4	10.42		Worse than 61% of US hospitals
Discharged patients who received a transition record with the specified elements2024-01-01 to 2024-12-31 · 1,194 cases	57	77	66.04		Worse than 63% of US hospitals

Source: CMS Care Compare hospital files, latest release 2026-08-13, with program results for earlier fiscal years from CMS's archived snapshots. US medians and ranks count every hospital CMS reports; state averages are plain means of the state's reporting hospitals, not CMS's patient-weighted state rates.

Accreditation and services

The Joint Commission (since 2011)
Accreditation
Major
Medical school affiliation
Private (not for profit)
Ownership type
324
Medicare-certified beds
141
Registered nurses (full-time equivalent)
1966
In Medicare since

16 services at Mclean Hospital

Emergency and trauma: Emergency Psychiatric Care
Surgery: Anesthesia
Imaging: Diagnostic RadiologyMRI (Magnetic Resonance Imaging)
Women and children: Clinical Laboratory
Behavioral health: Adult Inpatient Psychiatric CareAlcohol and/or Drug ServiceForensic PsychiatricGeriatric PsychiatricOutpatient Psychiatric CarePsychiatric Care of Children and/or Adolescents
Rehabilitation and therapy: OT (Occupational Therapy)
Other services: Dietary CareOutpatientPharmacySocial Care

Source: CMS Provider of Services file, as reported by the hospital and state surveyors.

Size and patient volume

What Mclean Hospital reported to Medicare in its latest cost report, covering Oct 1, 2024 to Sep 30, 2025.

6,729
Inpatient discharges
Medicare 10%, Medicaid 8%
98,540
Inpatient days
87% of available bed days used
2,062
Employees (full-time equivalent)
29
Interns and residents (full-time equivalent)

Source: CMS cost report (HCRIS) (report 831261). Figures cover the reporting period, which is not always 12 months, and are self-reported.

Utilization by payer and unit

Inpatient days and discharges Mclean Hospital reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.

	Medicare	Medicaid	Other	Total
Inpatient days	14,180	8,234	76,126	98,540
Discharges	652	545	5,532	6,729
Average length of stay	21.7 days	15.1 days	13.8 days	14.6 days
Average daily census	38.8	22.6	208.6	270.0

Beds and days by unit

Unit	Beds	Inpatient days	Medicare days	Occupancy
Adults & pediatrics	309	98,540	14,180	87%

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheet S-3 Part I.

Where patients come from

ZIP codes with the most Medicare inpatient stays at Mclean Hospital in 2025. Market share is this hospital's part of every hospital's Medicare stays from the ZIP code. Its published Medicare stays went from 203 in 2020 to 104 in 2025.

ZIP code	Stays	Of this hospital's stays	Days	Charges	Market share	Share in 2020
01970	15	14%	200	$596,883	1%
02114	14	13%	551	$1.6M	2%
02118	14	13%	205	$600,733	1%
02132	14	13%	386	$1.1M	1%
02139	12	12%	232	$696,584	1%	2%
02144	12	12%	309	$910,647	2%
02445	12	12%	324	$972,324	2%
02026	11	11%	314	$939,333	1%

Source: CMS Hospital Service Area file. Shares are of the 104 stays from ZIP codes CMS publishes; it omits ZIP codes with fewer than 11 stays, so market shares count published stays only.

Staff and facilities

Staff by profession and the rooms and units Mclean Hospital reported at its latest Medicare certification survey (2010). Counts are people, not full-time equivalents.

141
Registered nurses
1
Licensed practical nurses
70
Physicians
26
Resident physicians
2
Nurse practitioners
7
Pharmacists
3
Occupational therapists
1
Dietitians
77
Social workers
535
Other personnel

Source: CMS Provider of Services file.

Income statement

Revenue, expenses and income Mclean Hospital reported to Medicare for Oct 1, 2024 to Sep 30, 2025. Percentages are of net patient revenue.

Line	Amount	Share
Gross patient revenue (charges)	$470.9M	100.0%
Inpatient	$300.1M	63.7%
Outpatient	$170.7M	36.3%
Net patient revenue	$470.9M	100.0%
Operating expenses	-$400.9M	-85.1%
Operating income from patient care	$69.9M	14.9%
Other income	$108.6M	23.1%
Investment income	$633,063	0.1%
Other	$107.9M	22.9%
Net income	$178.5M	37.9%

Gross revenue by payer

Line	Amount	Share
Traditional Medicare	$8.2M	2.1%
Other payers and self-pay	$383M	97.9%
Total charges	$391.1M	100.0%

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Traditional Medicare is the program charges on Worksheets D-3 and D Part V; Medicaid is from Worksheet S-10.

Financial ratios

Computed from Mclean Hospital's latest cost report.

14.9%
Operating margin
Operating income from patient care / net patient revenue
30.8%
Total margin
Net income / net patient revenue plus other income
33.1%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
55% of expenses
Personnel costs
Salaries, direct-care contract labor and core wage-related costs / operating expenses
32.5%
Return on assets
Net income for a year / total assets
47.9%
Return on equity
Net income for a year / fund balance
0.03
Long-term debt to fund balance
Mortgages, notes and loans / fund balance
0.09
Current ratio
Current assets / current liabilities
-0.73
Quick ratio
Cash, temporary investments and net receivables / current liabilities
-80 days
Days cash on hand
Cash and temporary investments / daily operating expenses excluding depreciation
24 days
Days in patient receivables
Net patient receivables / daily net patient revenue
70 days
Average payment period
Current liabilities / daily operating expenses excluding depreciation
1.06
Asset turnover
Total revenue for a year / total assets
15.2 years
Average age of plant
Accumulated depreciation / depreciation for a year

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Balance sheet

What Mclean Hospital owned and owed at the end of its reporting period (Sep 2025), across all fund types: $548.5M in total assets and a $372.5M fund balance.

Show the balance sheet

Line	Amount	Of total assets
Cash and temporary investments	-$85.8M	-15.6%
Patient receivables, net	$31.2M	5.7%
Total current assets	$6.6M	1.2%
Property and equipment, net of depreciation	$88.9M	16.2%
Investments and other assets	$453M	82.6%
Total assets	$548.5M	100.0%
Current liabilities	$75.1M	13.7%
Long-term debt	$11.4M	2.1%
Total liabilities	$175.9M	32.1%
Fund balance (net assets)	$372.5M	67.9%

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Financial trend

Mclean Hospital's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.

Show 6 years

Fiscal year ending	Sep 2020	Sep 2021	Sep 2022	Sep 2023	Sep 2024	Sep 2025
Net patient revenue	$165.3M	$188.7M	$208.2M	$225.6M	$239.3M	$470.9M
Operating expenses	$266.7M	$284.5M	$330.8M	$356.5M	$373.8M	$400.9M
Operating margin	-61.3%	-50.8%	-58.9%	-58.0%	-56.2%	14.9%
Net income	-$63M	-$205,000	-$29M	-$26M	-$23.7M	$178.5M
Total assets	$351.7M	$402.7M	$463.7M	$496.1M	$534M	$548.5M
Discharges	5,268	5,599	5,802	6,245	6,322	6,729
Inpatient days	68,837	77,933	85,224	96,387	99,755	98,540
Beds	219	289	289	309	309	309
Employees (FTE)	1,418	1,495	1,612	2,036	2,056	2,062

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Departments

Each cost center Mclean Hospital reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.

Show all 68 departments

Ancillary and outpatient departments

Department	Salaries	Total cost	Charges	Cost-to-charge
Clinic	$58.1M	$71.4M	$70.8M	1.01
Other ancillary service	$8.4M	$25.3M	$19.7M	1.28
Radiology-diagnostic	$1.1M	$2.2M	$3.4M	0.66
Laboratory	$200,853	$1.4M	$3.9M	0.36
Electroencephalography	$355,207	$537,404	$532,259	1.01
Electrocardiology		$130,640	$382,228	0.34
Ambulance services		$41,155
Drugs charged to patients		$7

Inpatient units

Department	Salaries	Total cost	Charges	Cost-to-charge	Square feet
Adults & pediatrics	$74M	$122.8M	$292.5M	0.42

Overhead (general service) departments

Department	Salaries	Direct cost
Employee benefits department	$1.1M	$63.8M
Other admin + general 1	$7.4M	$43M
Operation of plant	$2.5M	$9M
I&r services-salary & fringes apprv	$3.8M	$6.4M
Pharmacy	$3.4M	$5.3M
Maintenance & repairs	$1.8M	$5.3M
Psychiatry general	$3M	$5M
Op plant - mse	$1.7M	$4.3M
Housekeeping		$3.9M
Cap rel costs-mvble equip		$3.9M
Dietary		$2.5M
Cashiering a/r	$37,835	$2.5M
Nursing administration	$2.2M	$2.3M
Admissions building		$1.8M
Admitting	$1.3M	$1.2M
Social service	$1.1M	$1.1M
Oak st middleborough		$993,787
Other capital		$902,138
Mailman building		$864,650
Op plant - youth village	$572,239	$776,496
Nonpatient telephone	$103,625	$740,124
Mse middleborough		$566,265
Demarneffe		$564,579
Oaks building		$446,348
Laundry & linen service		$404,888
East house		$403,324
Power house		$378,899
Mclean imaging ctr		$358,380
Recreation building		$296,969
Youth village		$276,742
Administrative building		$229,106
Service building		$227,981
North belknap		$211,860
South belknap		$202,249
Medical records & library		$190,604
Proctor house		$186,187
Lincoln		$167,804
Gunderson residence		$151,008
Wyman		$146,294
Fernside/princeton		$109,094
Appleton building		$103,398
Bowditch		$96,536
Homer ave		$77,327
Misc leased clinics		$76,110
Centre		$64,401
Physician education	$380,097	$54,747
Arlington school		$53,229
Laundry building		$32,444
Hill cottage		$30,943
Mill street lodge		$27,615
Academic building		$23,208
Waverly house		$16,048
Dev disab ctr		$15,032
Pleasant street lodge		$11,443
558 waverly oaks waltham		$8,715
Shops		$8,062
9.4t magnet		$6,537
Office building		$1,727
Cap rel costs-bldg & fixt		-$1,311

Source: CMS cost report (HCRIS, Form 2552-10), report 831261, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheets A, B-1, C Part I and S-3 Part II.

Frequently asked questions

About Mclean Hospital's rates and hospital price transparency.

How many patients does Mclean Hospital admit?

Mclean Hospital reported 6,729 inpatient discharges and 98,540 inpatient days from Oct 1, 2024 to Sep 30, 2025.

How many employees does Mclean Hospital have?

Mclean Hospital reported 2,062 full-time-equivalent employees on payroll from Oct 1, 2024 to Sep 30, 2025.

How much revenue does Mclean Hospital make?

Mclean Hospital reported $470.9M in net patient revenue on $470.9M of gross charges for Oct 1, 2024 to Sep 30, 2025, an operating margin of 14.9%, and net income of $178.5M.

What is Mclean Hospital's tax ID (EIN)?

Insurers' price transparency files list Mclean Hospital under employer identification number 04-2697981 (McLean Hospital). 59 health plans and networks list 04-2697981 for it.

Is Mclean Hospital accredited?

Yes. CMS's Provider of Services file lists The Joint Commission as the accrediting organization for Mclean Hospital, effective 2011.

Who owns Mclean Hospital?

In its Medicare enrollment, Mclean Hospital reports Mass General Brigham Incorporated as Operational/managerial control.

What services does Mclean Hospital offer?

CMS lists 16 services at Mclean Hospital, including Adult Inpatient Psychiatric Care, Alcohol and/or Drug Service, Anesthesia, Clinical Laboratory, Diagnostic Radiology, Dietary Care.

Where do Mclean Hospital's patients come from?

In CMS's 2025 Hospital Service Area file, the most Medicare inpatient stays at Mclean Hospital came from ZIP codes 01970 (15), 02114 (14), 02118 (14).

How many beds does Mclean Hospital have?

Mclean Hospital has 309 beds, including its psychiatric, rehabilitation and other subprovider units, in its latest Medicare cost report. 324 are Medicare-certified beds in CMS's Provider of Services file. Facility type: Psychiatric Hospital.

Where is Mclean Hospital and what is its phone number?

Mclean Hospital is located at 115 Mill Street, Belmont, MA 02478. Its main phone number is (617) 855-3450.

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{
  "description": "MRI of brain (no contrast)",
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    { "code": "611", "type": "RC" },
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  ],
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    "setting": "outpatient",
    "minimum": 250,
    "maximum": 400,
    "gross_charge": 1200,
    "discounted_cash": 1080,
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      {
        "payer_name": "Platform Health Insurance",
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        "standard_charge_dollar": 400
      },
      {
        "payer_name": "Region Health Insurance",
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Mclean Hospital

About this hospital

Negotiated Rates

Insurance Accepted

More about this hospital

Tax IDs and NPIs insurers list

Location

Every CMS quality measure

Accreditation and services

16 services at Mclean Hospital

Size and patient volume

Utilization by payer and unit

Beds and days by unit

Where patients come from

Staff and facilities

Income statement

Gross revenue by payer

Financial ratios

Balance sheet

Financial trend

Departments

Ancillary and outpatient departments

Inpatient units

Overhead (general service) departments

Ownership

Leadership

Officers and directors on the Medicare enrollment

Frequently asked questions

Running price transparency at a hospital like this one?

Publish a CMS-compliant machine-readable file

Get your chargemaster right for billing and payer contracts

About this hospital

Negotiated Rates

Insurance Accepted

More about this hospital

Tax IDs and NPIs insurers list

Location

Every CMS quality measure

Accreditation and services

16 services at Mclean Hospital

Size and patient volume

Utilization by payer and unit

Beds and days by unit

Where patients come from

Staff and facilities

Income statement

Gross revenue by payer

Financial ratios

Balance sheet

Financial trend

Departments

Ancillary and outpatient departments

Inpatient units

Overhead (general service) departments

Ownership

Leadership

Officers and directors on the Medicare enrollment

Nearby hospitals

Frequently asked questions

Running price transparency at a hospital like this one?

Publish a CMS-compliant machine-readable file

Get your chargemaster right for billing and payer contracts