Hospital · CCN 050072

Kaiser Foundation Hospital - Walnut Creek

1425 S Main Street, Walnut Creek, CA 94596 · Contra Costa County
Part of Kaiser Permanente · 249 beds · 1
Metropolitan area core: primary flow within an urbanized area of 50,000 and greater

5 admission types 30 outpatient services
Billed per dollar paid, all admissions
3.07×
$12.4M billed against $4.0M paid across 131 Medicare discharges; the national figure is 5.03×.
—
of adults in Contra Costa County have medical debt in collections — state bars medical debt from credit reports; the credit-bureau panel cannot see it
5.2%
uninsured in the county · state 7.5%
$122K
median household income
8.1×
billed ÷ paid, inpatient, summed over the county's hospitals in the Medicare file (7 in the inpatient or outpatient file)ⓘ
28.0%
obesity in the countyⓘ
11.3%
diagnosed diabetes (PLACES)
5.5%
coronary heart disease (PLACES)
—
median age · — below poverty (ACS)
01 · Admissions

What it billed Medicare, by admission type

Average charge submitted and average total payment per discharge, 2024. Rows under 11 discharges are suppressed by CMS. The last column is the hospital's ratio against its state's for the same admission.

DRG
Admission
Discharges
Charge
Paid
Billed ÷ paid
871
Septicemia or severe sepsis without mv >96 hours with mcc
74
$112,236
$35,489
3.2× st 6.2×
872
Septicemia or severe sepsis without mv >96 hours without mcc
16
$50,404
$27,801
1.8× st 6.1×
291
Heart failure and shock with mcc
15
$91,845
$15,377
6.0× st 6.5×
177
Respiratory infections and inflammations with mcc
13
$61,608
$23,028
2.7× st 6.6×
189
Pulmonary edema and respiratory failure
13
$81,881
$32,724
2.5× st 6.7×
02 · Outpatient

Outpatient services

Comprehensive APCs, Medicare's outpatient payment groups: submitted charge against what Medicare allowed, per service.

APC
Service
Services
Charge
Allowed
Billed ÷ allowed
8011
Comprehensive Observation Services
49
$44,651
$3,698
12.1×
5192
Level 2 Endovascular Procedures
11
$29,645
$7,850
3.8×
5302
Level 2 Upper GI Procedures
—
—
—
—
5313
Level 3 Lower GI Procedures
—
—
—
—
5341
Level 1 Abdominal/Peritoneal/Biliary and Related Procedures
—
—
—
—
5361
Level 1 Laparoscopy and Related Services
—
—
—
—
5362
Level 2 Laparoscopy and Related Services
—
—
—
—
5372
Level 2 Urology and Related Services
—
—
—
—
5373
Level 3 Urology and Related Services
—
—
—
—
5374
Level 4 Urology and Related Services
—
—
—
—
5375
Level 5 Urology and Related Services
—
—
—
—
5491
Level 1 Intraocular Procedures
—
—
—
—
5492
Level 2 Intraocular Procedures
—
—
—
—
5493
Level 3 Intraocular Procedures
—
—
—
—
5232
Level 2 ICD and Similar Procedures
—
—
—
—
5194
Level 4 Endovascular Procedures
—
—
—
—
5193
Level 3 Endovascular Procedures
—
—
—
—
5073
Level 3 Excision/ Biopsy/ Incision and Drainage
—
—
—
—
5091
Level 1 Breast/Lymphatic Surgery and Related Procedures
—
—
—
—
5092
Level 2 Breast/Lymphatic Surgery and Related Procedures
—
—
—
—
5113
Level 3 Musculoskeletal Procedures
—
—
—
—
5114
Level 4 Musculoskeletal Procedures
—
—
—
—
5115
Level 5 Musculoskeletal Procedures
—
—
—
—
5153
Level 3 Airway Endoscopy
—
—
—
—
5154
Level 4 Airway Endoscopy
—
—
—
—
5165
Level 5 ENT Procedures
—
—
—
—
5183
Level 3 Vascular Procedures
—
—
—
—
5184
Level 4 Vascular Procedures
—
—
—
—
5191
Level 1 Endovascular Procedures
—
—
—
—
5072
Level 2 Excision/ Biopsy/ Incision and Drainage
—
—
—
—

Sources for this hospital

the files read, as fetched — not our copy of them
  1. MUP_INP_RY26_P03_V10_DY24_PrvSvc.CSV · 38.0M bytes · fetched 2026-08-21 · sha256 2ab6da15be4c… · publisher's page · public domain (US federal)
  2. MUP_OUT_RY26_P04_V10_DY24_Prov_Svc.csv · 28.1M bytes · fetched 2026-08-21 · sha256 f293918edbf6… · publisher's page · public domain (US federal)
  3. chsp-hospital-linkage-2023.csv · 1.5M bytes · fetched 2026-08-21 · sha256 a86146f10c8d… · publisher's page · public; cite AHRQ Compendium of U.S. Health Systems
  4. 2020 ZCTA to County relationship file · US Census Bureau · 2020
    tab20_zcta520_county20_natl.txt · 6.8M bytes · fetched 2026-08-21 · sha256 3ed41278d637… · publisher's page · public domain (US federal)

Every figure on this page is computed from these files by pipeline/prices/; the same rows are in the API.

Source rows for this hospital as JSON: inpatient · outpatient. CMS, Medicare Inpatient and Outpatient Hospitals by Provider and Service, 2024.