The employer identification numbers (EINs) health plans and networks list for Cornerstone Hospital Of Austin 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
47-2638917Cornerstone Specialty Hospitals Round Rock
51Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 46 more
1912395203 Chg Hospital Austin LLC1396326948 Chg Hospital Austin LLC1235416801 Chg Cornerstone Hospital Of South Houston LPand 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.
What Cornerstone Hospital Of Austin reported to Medicare in its latest cost report, covering Sep 1, 2024 to Aug 31, 2025.
663
Inpatient discharges
Medicare 34%, Medicaid 0%
18,398
Inpatient days
43% of available bed days used
160
Employees (full-time equivalent)
Source: CMS cost report (HCRIS) (report 832840). Figures cover the reporting period, which is not always 12 months, and are self-reported.
Utilization by payer and unit
Inpatient days and discharges Cornerstone Hospital Of Austin reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.
Medicare
Medicaid
Other
Total
Inpatient days
5,737
15
12,646
18,398
Discharges
224
1
438
663
Average length of stay
25.6 days
15.0 days
28.9 days
27.7 days
Average daily census
15.7
0.0
34.6
50.4
1,631
Medicare Advantage days
63 discharges
Beds and days by unit
Unit
Beds
Inpatient days
Medicare days
Occupancy
Adults & pediatrics
127
13,790
4,097
37%
Intensive care unit
18
4,608
1,640
77%
Subprovider - irf
12
3,159
1,287
72%
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. 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 Cornerstone Hospital Of Austin 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 119 in 2020 to 13 in 2025.
ZIP code
Stays
Of this hospital's stays
Days
Charges
Market share
78633
13
100%
312
$3.1M
0%
Source: CMS Hospital Service Area file. Shares are of the 13 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 Cornerstone Hospital Of Austin reported at its latest Medicare certification survey (2023). Counts are people, not full-time equivalents.
12 clinicians who bill Medicare list Cornerstone Hospital Of Austin as a hospital affiliation. Book a demo to see the commercial rates insurers publish for them, or start a free trial.
Internal Medicine Physician 5
Family Nurse Practitioner 2
Critical Care Medicine (Internal Medicine) Physician 1
Source: CMS Doctors and Clinicians facility affiliations, released 2026-10-15, with names and specialties from NPPES. Affiliation means the clinician bills Medicare for care at this hospital; it is not employment.
Income statement
Revenue, expenses and income Cornerstone Hospital Of Austin reported to Medicare for Sep 1, 2024 to Aug 31, 2025. Percentages are of net patient revenue.
Line
Amount
Share
Gross patient revenue (charges)
$254.3M
644.4%
Inpatient
$242.9M
615.6%
Outpatient
$11.4M
28.9%
Contractual allowances and discounts
-$214.8M
-544.4%
Net patient revenue
$39.5M
100.0%
Operating expenses
-$44.6M
-113.0%
Operating income from patient care
-$5.1M
-13.0%
Other income
$3.7M
9.4%
Investment income
$17,104
0.0%
Other
$3.7M
9.4%
Net income
-$1.4M
-3.6%
Gross revenue by payer
Line
Amount
Share
Traditional Medicare
$45.4M
17.9%
Other payers and self-pay
$208.9M
82.1%
Total charges
$254.3M
100.0%
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. 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 Cornerstone Hospital Of Austin's latest cost report.
-13.0%
Operating margin
Operating income from patient care / net patient revenue
-3.3%
Total margin
Net income / net patient revenue plus other income
6.2%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
Cash, temporary investments and net receivables / current liabilities
7 days
Days cash on hand
Cash and temporary investments / daily operating expenses excluding depreciation
64 days
Days in patient receivables
Net patient receivables / daily net patient revenue
97 days
Average payment period
Current liabilities / daily operating expenses excluding depreciation
4.65
Asset turnover
Total revenue for a year / total assets
5.2 years
Average age of plant
Accumulated depreciation / depreciation for a year
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. Hospitals report these figures themselves; they are not audited financial statements.
Balance sheet
What Cornerstone Hospital Of Austin owned and owed at the end of its reporting period (Aug 2025), across all fund types: $9.3M in total assets and a -$1M fund balance.
Show the balance sheetHide the balance sheet
Line
Amount
Of total assets
Cash and temporary investments
$868,208
9.4%
Patient receivables, net
$6.9M
74.8%
Inventory
$232,423
2.5%
Total current assets
$8M
86.4%
Property and equipment, net of depreciation
$1.3M
13.6%
Total assets
$9.3M
100.0%
Current liabilities
$11.8M
127.1%
Total liabilities
$10.3M
111.3%
Fund balance (net assets)
-$1M
-11.3%
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. Hospitals report these figures themselves; they are not audited financial statements.
Financial trend
Cornerstone Hospital Of Austin's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.
Show 6 yearsHide 6 years
Fiscal year ending
Aug 2020
Aug 2021
Aug 2022
Aug 2023
Aug 2024
Aug 2025
Net patient revenue
$35.1M
$44.7M
$55.8M
$54.5M
$43M
$39.5M
Operating expenses
$30M
$36.8M
$49.3M
$48.1M
$49.3M
$44.6M
Operating margin
14.6%
17.5%
11.7%
11.7%
-14.9%
-13.0%
Net income
$5.1M
$7.8M
$7.3M
$6.9M
-$2.9M
-$1.4M
Total assets
$11.2M
$12.8M
$13.4M
$10.4M
$14M
$9.3M
Discharges
688
856
898
870
661
663
Inpatient days
18,927
24,224
25,910
25,253
21,151
18,398
Medicare Advantage days
2,641
3,595
4,160
4,561
3,877
1,631
Beds
89
133
157
157
157
157
Employees (FTE)
232
177
205
227
184
160
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. Hospitals report these figures themselves; they are not audited financial statements.
Departments
Each cost center Cornerstone Hospital Of Austin reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.
Show all 24 departmentsHide all 24 departments
Ancillary and outpatient departments
Department
Salaries
Total cost
Charges
Cost-to-charge
Square feet
Physical therapy
$2,609
$3.9M
$7.6M
0.51
7,377
Respiratory therapy
$1.7M
$3M
$60M
0.05
488
Drugs charged to patients
$3M
$13.6M
0.22
Renal dialysis
$945,351
$5.4M
0.18
1,236
Laboratory
$1,853
$905,420
$13.5M
0.07
572
Radiology-diagnostic
$331,620
$892,234
$7.2M
0.12
581
Operating room
$472
$414,447
$11.7M
0.04
1,306
Medical supplies charged to patient
$243,510
$30M
0.01
Inpatient units
Department
Salaries
Total cost
Charges
Cost-to-charge
Square feet
Adults & pediatrics
$3.7M
$14M
$68.7M
0.20
24,687
Intensive care unit
$3.5M
$7.3M
$30.1M
0.24
9,250
Subprovider - irf
$1.2M
$4.6M
$6.6M
0.70
15,000
Overhead (general service) departments
Department
Salaries
Direct cost
Paid hours
Average hourly wage
Square feet
Administrative & general
$1.4M
$5M
11,766
Employee benefits department
$106,346
$3M
Cap rel costs-bldg & fixt
$2.5M
94,020
Cap rel costs-mvble equip
$2.2M
Nursing administration
$1.6M
$1.7M
1,990
Pharmacy
$1.1M
$1.2M
1,821
Operation of plant
$112,203
$1.2M
4,901
Dietary
$91,184
$1M
7,196
Housekeeping
$839,873
774
Medical records & library
$721,795
$810,854
1,052
Social service
$562,963
$592,442
643
Laundry & linen service
$137,816
844
Central services & supply
$106,495
$71,008
2,536
Source: CMS cost report (HCRIS, Form 2552-10), report 832840, amended. Hospitals report these figures themselves; they are not audited financial statements. Worksheets A, B-1, C Part I and S-3 Part II.
Ownership
Organizations Cornerstone Hospital Of Austin reports to Medicare as owners or with operational control.
Chg Hospital Operations Company LLC
5% or greater direct ownership interest, 100%, since 2015
Cornerstone Healthcare Group Holding Inc
5% or greater indirect ownership interest, 100%, since 2015
Kentucky Hospital Holdings Jv LP
5% or greater indirect ownership interest, 100%, since 2023
Kentucky Hospital Holdings LLC
5% or greater indirect ownership interest, 100%, since 2023
Kentucky Hospital Intermediate LLC
5% or greater indirect ownership interest, 100%, since 2023
Kindred Healthcare LLC
5% or greater indirect ownership interest, 100%, since 2023
Kindred Healthcare Operating LLC
5% or greater indirect ownership interest, 100%, since 2023
Knight Health Holdings LLC
5% or greater indirect ownership interest, 100%, since 2023
Knight Health LLC
5% or greater indirect ownership interest, 100%, since 2023
About Cornerstone Hospital Of Austin's rates and hospital price transparency.
How many patients does Cornerstone Hospital Of Austin admit?
Cornerstone Hospital Of Austin reported 663 inpatient discharges and 18,398 inpatient days from Sep 1, 2024 to Aug 31, 2025.
How many employees does Cornerstone Hospital Of Austin have?
Cornerstone Hospital Of Austin reported 160 full-time-equivalent employees on payroll from Sep 1, 2024 to Aug 31, 2025.
How much revenue does Cornerstone Hospital Of Austin make?
Cornerstone Hospital Of Austin reported $39.5M in net patient revenue on $254.3M of gross charges for Sep 1, 2024 to Aug 31, 2025, an operating margin of -13.0%, and net income of -$1.4M.
What is Cornerstone Hospital Of Austin's tax ID (EIN)?
Insurers' price transparency files list Cornerstone Hospital Of Austin under employer identification number 47-2638917 (Cornerstone Specialty Hospitals Round Rock). 51 health plans and networks list 47-2638917 for it.
How many doctors are affiliated with Cornerstone Hospital Of Austin?
12 clinicians who bill Medicare list Cornerstone Hospital Of Austin as a hospital affiliation in CMS's Doctors and Clinicians data. The largest groups are internal medicine physician (5), family nurse practitioner (2), critical care medicine (internal medicine) physician (1).
Is Cornerstone Hospital Of Austin accredited?
CMS's Provider of Services file lists no accrediting organization for Cornerstone Hospital Of Austin; it is certified for Medicare through state survey.
Who owns Cornerstone Hospital Of Austin?
In its Medicare enrollment, Cornerstone Hospital Of Austin reports Chg Hospital Operations Company LLC as 5% or greater direct ownership interest (100%).
What services does Cornerstone Hospital Of Austin offer?
CMS lists 12 services at Cornerstone Hospital Of Austin, including Acute Renal Dialysis, Clinical Laboratory, CT Scan, Diagnostic Radiology, Dietary Care, OT (Occupational Therapy).
Where do Cornerstone Hospital Of Austin's patients come from?
In CMS's 2025 Hospital Service Area file, the most Medicare inpatient stays at Cornerstone Hospital Of Austin came from ZIP codes 78633 (13).
How many beds does Cornerstone Hospital Of Austin have?
Cornerstone Hospital Of Austin has 157 beds, including its psychiatric, rehabilitation and other subprovider units, in its latest Medicare cost report. 54 are Medicare-certified beds in CMS's Provider of Services file. Facility type: Long-Term Care Hospital.
Where is Cornerstone Hospital Of Austin and what is its phone number?
Cornerstone Hospital Of Austin is located at 4207 Burnet Road, Austin, TX 78756. Its main phone number is 5127061900.
What is Cornerstone Hospital Of Austin's CCN (Medicare provider number)?
Cornerstone Hospital Of Austin's CMS Certification Number (CCN), also called its Medicare provider number, is 452034.
What is Cornerstone Hospital Of Austin's NPI number?
The National Provider Identifier (NPI) on file for Cornerstone Hospital Of Austin is 1912395203.
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