KAISER FOUNDATION HOSPITAL SAN MARCOS is a 168-bed hospital in San Marcos, CA. Below you'll find publicly disclosed negotiated rates and facility details, including 3 in-network payers.
CCN
050855
NPI
1558080861
Teaching
No Medicare-funded residents
County
San Diego County
Metro area
San Diego-Chula Vista-Carlsbad, CA MSA
Medicare contractor
Jurisdiction E, Noridian Healthcare Solutions (01011)
In Medicare since
2023
Last CMS survey
2023
Negotiated Rates
The data below comes from CMS-mandated price transparency data. Learn more.
What KAISER FOUNDATION HOSPITAL SAN MARCOS reported to Medicare in its latest cost report, covering Jan 1, 2025 to Dec 31, 2025.
7,410
Inpatient discharges
Medicare 4%, Medicaid 0%
25,740
Inpatient days
42% of available bed days used
792
Employees (full-time equivalent)
Source: CMS cost report (HCRIS) (report 836218). Figures cover the reporting period, which is not always 12 months, and are self-reported.
Utilization by payer and unit
Inpatient days and discharges KAISER FOUNDATION HOSPITAL SAN MARCOS reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.
Medicare
Medicaid
Other
Total
Inpatient days
1,135
111
24,494
25,740
Discharges
287
34
7,089
7,410
Average length of stay
4.0 days
3.3 days
3.5 days
3.5 days
Average daily census
3.1
0.3
67.1
70.5
11,238
Medicare Advantage days
3,171 discharges
236
Medicaid managed care days
76 discharges
7,210
Observation bed days
Beds and days by unit
Unit
Beds
Inpatient days
Medicare days
Occupancy
Adults & pediatrics
152
20,546
1,039
37%
Intensive care unit
10
1,801
96
49%
Nursery
2,595
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheet S-3 Part I.
Medicare inpatient stays
What KAISER FOUNDATION HOSPITAL SAN MARCOS treats Medicare patients for most often, in 2024. 79 Medicare discharges in 3 published DRGs; 0% surgical; 82% in DRGs with complications (CC or MCC).
Condition or procedure
Discharges
Average charges
Average Medicare payment
Estimated cost
DRG weight
Septicemia or severe sepsis without MV >96 hours with MCCMS-DRG 871, medical
50
$45,619
$8,782
$19,114
1.98
Heart failure and shock with MCCMS-DRG 291, medical
15
$78,582
$10,242
$32,926
1.28
Septicemia or severe sepsis without MV >96 hours without MCCMS-DRG 872, medical
14
$30,436
$5,236
$12,753
1.03
Source: CMS Medicare Inpatient Hospitals by Provider and Service (2024 data, released 2026-04-10), traditional Medicare only; CMS omits DRGs with fewer than 11 discharges. Estimated cost is average charges times the hospital's Medicare cost-to-charge ratio from the IPPS Impact File. Weights are the MS-DRG relative weights for the same year.
Medicare outpatient services
The comprehensive outpatient service groups (APCs) KAISER FOUNDATION HOSPITAL SAN MARCOS billed Medicare for most in 2024: 52 services in all.
Service group
Services
Patients
Average charges
Average Medicare payment
US average payment
Comprehensive Observation ServicesAPC 8011
52
47
$35,154
$2,681
$2,090
Source: CMS Medicare Outpatient Hospitals by Provider and Service (2024 data, released 2026-06-24), comprehensive APCs for traditional Medicare; CMS omits services with fewer than 11 claims. The US average weights every hospital by its services.
Where patients come from
ZIP codes with the most Medicare inpatient stays at KAISER FOUNDATION HOSPITAL SAN MARCOS 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 2,922 in 2024 to 3,094 in 2025.
ZIP code
Stays
Of this hospital's stays
Days
Charges
Market share
92078
278
9%
1,329
$13.6M
14%
92056
261
8%
935
$8.4M
11%
92026
236
8%
757
$7.3M
11%
92057
200
6%
686
$6.3M
10%
92069
178
6%
624
$5.9M
12%
92084
165
5%
593
$6.2M
9%
92027
155
5%
425
$4.2M
9%
92024
119
4%
399
$3.7M
7%
92081
113
4%
388
$3.3M
14%
92025
110
4%
391
$3.9M
6%
92128
109
4%
368
$3.4M
5%
92065
106
3%
362
$3.8M
7%
92083
100
3%
292
$2.6M
11%
92009
94
3%
293
$2.9M
6%
92028
91
3%
398
$3.6M
4%
92082
91
3%
287
$2.9M
10%
92029
87
3%
297
$2.7M
9%
92054
73
2%
241
$2.3M
6%
92058
72
2%
252
$2.3M
8%
92064
70
2%
282
$2.5M
4%
92008
61
2%
235
$2.1M
6%
92127
52
2%
189
$1.8M
5%
92011
44
1%
141
$1.2M
5%
92010
42
1%
203
$1.9M
7%
92129
33
1%
90
$797,502
2%
Source: CMS Hospital Service Area file. Shares are of the 3,094 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 KAISER FOUNDATION HOSPITAL SAN MARCOS reported at its latest Medicare certification survey (2023). Counts are people, not full-time equivalents.
230 clinicians who bill Medicare list KAISER FOUNDATION HOSPITAL SAN MARCOS as a hospital affiliation. Showing 24 of them. Book a demo to see the commercial rates insurers publish for them, or start a free trial.
Internal Medicine Physician 41
Emergency Medicine Physician 32
Diagnostic Radiology Physician 29
Student in an Organized Health Care Education/Training Program 16
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 KAISER FOUNDATION HOSPITAL SAN MARCOS reported to Medicare for Jan 1, 2025 to Dec 31, 2025. Percentages are of net patient revenue.
Line
Amount
Share
Gross patient revenue (charges)
$1.4B
395.8%
Inpatient
$446.1M
126.4%
Outpatient
$951.4M
269.5%
Contractual allowances and discounts
-$1B
-295.8%
Net patient revenue
$353.1M
100.0%
Operating expenses
-$423.1M
-119.8%
Operating income from patient care
-$70.1M
-19.8%
Other income
$1.3M
0.4%
Contributions and donations
$7,000
0.0%
Other
$1.3M
0.4%
Net income
-$68.8M
-19.5%
Gross revenue by payer
Line
Amount
Share
Traditional Medicare
$19.9M
1.4%
Medicaid (including managed care)
$115.7M
8.3%
Other payers and self-pay
$1.3B
90.3%
Total charges
$1.4B
100.0%
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, 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 KAISER FOUNDATION HOSPITAL SAN MARCOS's latest cost report.
-19.8%
Operating margin
Operating income from patient care / net patient revenue
-19.4%
Total margin
Net income / net patient revenue plus other income
-7.0%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
Adjusted salaries / paid hours (Worksheet S-3 Part II)
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
Charity care and uncompensated care
Care KAISER FOUNDATION HOSPITAL SAN MARCOS provided without full payment, as reported on Worksheet S-10 of its cost report.
$5.1M
Cost of charity care
Care for patients approved for charity care and uninsured discounts, at cost
$1.2M
Bad debt
Patient bills written off as uncollectible, at charges
$19.1M
Medicaid shortfall
Cost of Medicaid patients (charges times the cost-to-charge ratio) minus Medicaid payments; negative means a surplus
$24.5M
Total unreimbursed and uncompensated care
5.8% of operating expenses
Medicaid, CHIP and indigent care shortfalls plus charity care and the cost of bad debt (Worksheet S-10 line 31)
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
Financial trend
KAISER FOUNDATION HOSPITAL SAN MARCOS's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.
Show 2 yearsHide 2 years
Fiscal year ending
Dec 2024
Dec 2025
Net patient revenue
$320.1M
$353.1M
Operating expenses
$379.1M
$423.1M
Operating margin
-18.4%
-19.8%
Net income
-$57.9M
-$68.8M
Discharges
7,284
7,410
Inpatient days
25,988
25,740
Medicare Advantage days
10,529
11,238
Beds
168
168
Employees (FTE)
770
792
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, as submitted. Hospitals report these figures themselves; they are not audited financial statements.
Departments
Each cost center KAISER FOUNDATION HOSPITAL SAN MARCOS reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.
Show all 35 departmentsHide all 35 departments
Ancillary and outpatient departments
Department
Salaries
Total cost
Charges
Cost-to-charge
Square feet
Operating room
$8.5M
$49M
$311.4M
0.16
62,299
Emergency
$46.9M
$194.4M
0.24
28,747
Radiology-diagnostic
$41.6M
$273.4M
0.15
13,214
Laboratory
$30.3M
$194.7M
0.16
10,960
Observation beds (non-distinct part
$26M
$58.2M
0.45
Delivery room & labor room
$9.7M
$25M
$19.3M
1.30
19,217
Impl. dev. charged to patients
$21.2M
$21.6M
0.98
Recovery room
$8.7M
$20M
$26.5M
0.75
Drugs charged to patients
$18.4M
$38.9M
0.47
Physical therapy
$11.2M
$4.9M
2.29
12,369
Renal dialysis
$1.2M
$8.5M
$3.4M
2.50
793
Medical supplies charged to patient
$6.9M
$12.9M
0.54
Respiratory therapy
$5.9M
$25.9M
0.23
1,628
Occupational therapy
$1.4M
$1.2M
1.25
468
Speech pathology
$591,016
$1M
0.57
Electrocardiology
$9,592
$34.4M
0.00
Inpatient units
Department
Salaries
Total cost
Charges
Cost-to-charge
Square feet
Adults & pediatrics
$31.8M
$100M
$137.9M
0.73
99,392
Intensive care unit
$3.8M
$14.6M
$23.7M
0.62
17,326
Neonatal intensive care unit
$2.8M
$7.4M
$5M
1.48
5,860
Nursery
$8,516
$4.5M
$8.7M
0.51
6,205
Overhead (general service) departments
Department
Salaries
Direct cost
Paid hours
Average hourly wage
Square feet
Administrative & general
$9M
$84.7M
152,117
$112.48
12,807
Employee benefits department
$44.8M
1,291
Cap rel costs-bldg & fixt
$30.5M
407,207
Operation of plant
$3M
$20.4M
55,101
$53.78
1,915
Cap rel costs-mvble equip
$14.8M
Housekeeping
$6.4M
$7.3M
221,693
$29.09
5,595
Central services & supply
$2.1M
$6.9M
118,481
$35.01
17,458
Nursing administration
$4.5M
$6.6M
55,692
$99.07
1,358
Pharmacy
$4.1M
$4.4M
53,702
$76.41
5,394
Dietary
$2.9M
$2.8M
50,426
$38.40
3,639
Maintenance & repairs
$643,871
7,564
$66.76
1,983
Cafeteria
$580,975
35,030
$30.83
12,635
Laundry & linen service
$439,185
Medical records & library
$190,976
6,047
$31.52
151
Social service
$65,826
$65,902
1,582
$41.62
166
Source: CMS cost report (HCRIS, Form 2552-10), report 836218, 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.
Medicare payment profile
The factors Medicare uses to set what it pays KAISER FOUNDATION HOSPITAL SAN MARCOS for an inpatient stay.
1.66
Case mix index
Higher than 48% of hospitals paid under Medicare IPPS
Average Medicare DRG weight of its inpatient cases (FY 2027); higher means more complex, costlier care.
No Medicare-funded residents
Teaching status
Medicare-funded interns and residents per bed (FY 2027).
3.3%
Low-income patient share
Disproportionate share percentage: Medicaid and SSI patient days CMS uses for safety-net payments (FY 2027).
236
Medicare inpatient stays
Medicare claims CMS based FY 2027 payment rates on.
Urban (metro area)
Location type
Geographic area CMS assigns before any wage index reclassification (FY 2027).
Show FY 2026 to FY 2027Hide FY 2026 to FY 2027
IPPS fiscal year
FY 2026
FY 2027
Case mix index
1.48
1.66
Wage index
1.431
1.399
Readmissions adjustment
0.00%
0.00%
Value-based purchasing adjustment
0.00%
+1.71%
Medicare inpatient stays
199
236
Source: CMS IPPS final rule Impact File (FY 2027).
Ownership
Organizations KAISER FOUNDATION HOSPITAL SAN MARCOS reports to Medicare as owners or with operational control. 3 individuals also hold ownership interests; they are not listed here.
About KAISER FOUNDATION HOSPITAL SAN MARCOS's rates and hospital price transparency.
Is KAISER FOUNDATION HOSPITAL SAN MARCOS a teaching hospital?
CMS reports no Medicare-funded interns or residents at KAISER FOUNDATION HOSPITAL SAN MARCOS for fiscal year 2027.
Does Medicare penalize KAISER FOUNDATION HOSPITAL SAN MARCOS for readmissions?
No. KAISER FOUNDATION HOSPITAL SAN MARCOS has no Hospital Readmissions Reduction Program penalty in fiscal year 2027.
What are the most common Medicare inpatient stays at KAISER FOUNDATION HOSPITAL SAN MARCOS?
In 2024, the most common were septicemia or severe sepsis without mv >96 hours with mcc (50 discharges), heart failure and shock with mcc (15 discharges), septicemia or severe sepsis without mv >96 hours without mcc (14 discharges).
What is KAISER FOUNDATION HOSPITAL SAN MARCOS's case mix index?
KAISER FOUNDATION HOSPITAL SAN MARCOS's Medicare case mix index is 1.66 for fiscal year 2027, higher than 48% of hospitals paid under the inpatient prospective payment system.
How many patients does KAISER FOUNDATION HOSPITAL SAN MARCOS admit?
KAISER FOUNDATION HOSPITAL SAN MARCOS reported 7,410 inpatient discharges and 25,740 inpatient days from Jan 1, 2025 to Dec 31, 2025.
How many employees does KAISER FOUNDATION HOSPITAL SAN MARCOS have?
KAISER FOUNDATION HOSPITAL SAN MARCOS reported 792 full-time-equivalent employees on payroll from Jan 1, 2025 to Dec 31, 2025.
How much revenue does KAISER FOUNDATION HOSPITAL SAN MARCOS make?
KAISER FOUNDATION HOSPITAL SAN MARCOS reported $353.1M in net patient revenue on $1.4B of gross charges for Jan 1, 2025 to Dec 31, 2025, an operating margin of -19.8%, and net income of -$68.8M.
How much charity and uncompensated care does KAISER FOUNDATION HOSPITAL SAN MARCOS provide?
KAISER FOUNDATION HOSPITAL SAN MARCOS reported $24.5M of unreimbursed and uncompensated care for Jan 1, 2025 to Dec 31, 2025, including $5.1M of charity care at cost.
Who is the CEO of KAISER FOUNDATION HOSPITAL SAN MARCOS?
KAISER FOUNDATION HOSPITAL SAN MARCOS's Medicare enrollment lists Gregory A Adams as Chairman & CEO since 2019.
How many doctors are affiliated with KAISER FOUNDATION HOSPITAL SAN MARCOS?
230 clinicians who bill Medicare list KAISER FOUNDATION HOSPITAL SAN MARCOS as a hospital affiliation in CMS's Doctors and Clinicians data. The largest groups are internal medicine physician (41), emergency medicine physician (32), diagnostic radiology physician (29).
Is KAISER FOUNDATION HOSPITAL SAN MARCOS accredited?
Yes. CMS's Provider of Services file lists The Joint Commission as the accrediting organization for KAISER FOUNDATION HOSPITAL SAN MARCOS, effective 2023.
Who owns KAISER FOUNDATION HOSPITAL SAN MARCOS?
In its Medicare enrollment, KAISER FOUNDATION HOSPITAL SAN MARCOS reports Kaiser Foundation Hospitals as Operational/managerial control.
Where do KAISER FOUNDATION HOSPITAL SAN MARCOS's patients come from?
In CMS's 2025 Hospital Service Area file, the most Medicare inpatient stays at KAISER FOUNDATION HOSPITAL SAN MARCOS came from ZIP codes 92078 (278), 92056 (261), 92026 (236).
How many beds does KAISER FOUNDATION HOSPITAL SAN MARCOS have?
KAISER FOUNDATION HOSPITAL SAN MARCOS has 168 beds, including its psychiatric, rehabilitation and other subprovider units, in its latest Medicare cost report. Facility type: HOSPITAL.
Where is KAISER FOUNDATION HOSPITAL SAN MARCOS and what is its phone number?
KAISER FOUNDATION HOSPITAL SAN MARCOS is located at 360 RUSH DR, San Marcos, CA 920787901. Its main phone number is (619) 528-6295.
What is KAISER FOUNDATION HOSPITAL SAN MARCOS's CCN (Medicare provider number)?
KAISER FOUNDATION HOSPITAL SAN MARCOS's CMS Certification Number (CCN), also called its Medicare provider number, is 050855.
What is KAISER FOUNDATION HOSPITAL SAN MARCOS's NPI number?
The National Provider Identifier (NPI) on file for KAISER FOUNDATION HOSPITAL SAN MARCOS is 1558080861.
Which insurance plans are in network at KAISER FOUNDATION HOSPITAL SAN MARCOS?
KAISER FOUNDATION HOSPITAL SAN MARCOS lists 3 in-network payers, including Centene, Hometown Health, Kaiser Permanente, and is Medicare-certified. Insurance acceptance may vary by plan, so confirm coverage with your insurer or the hospital's billing department.
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