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John Muir Medical Center - Walnut Creek Campus

John Muir Medical Center - Walnut Creek Campus charges 10.5x the Medicare reimbursement rate across 147 analyzed procedures, with 90% showing significant price variations in this California healthcare facility.

Walnut Creek, CA 94598 · Acute Care Hospitals · CMS Rating: 3/5

By David Park , Healthcare Cost Researcher · ·
Data from CMS files published FY 2024 CMS IPPS. Refreshed weekly.
About the analyst

David Park researches procedure pricing and insurance reimbursement patterns at BillRazor Research. He specializes in cost comparison across care settings and metropolitan areas. Expertise: procedure pricing, insurance reimbursement, cost comparison.

147 procedures analyzed
CMS price transparency data
Updated 2026-04-03
Median 7.3x4.2x16.7x
10.5x
Medicare markup ratio
CA lowestJohn Muir Medical Cent...CA highest
10.5x
Avg markup ratio
10.4x
Median markup
147
Procedures
90%
Outlier procedures
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Pricing grade

F

Very high

Avg markup vs Medicare

10.46x

Charge / Medicare rate

Max markup

15.57x

Worst procedure

Procedures analyzed

147

With pricing data

Outlier procedures

89.8%

Above 90th percentile

Pricing grades reflect how this hospital's chargemaster (list) rates compare to Medicare reimbursement benchmarks within the same state. Grades measure pricing patterns only — not quality of care, patient outcomes, or clinical performance. A lower grade does not mean a hospital provides inferior care. Based on publicly available federal data. Not endorsed by or affiliated with any government agency.

ProcedureCodeGross chargeCash priceMedicareMarkup
UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC743$158,885$79,44215.6x
NONSPECIFIC CEREBROVASCULAR DISORDERS WITH MCC070$247,198$123,59915.6x
CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITHOUT CC/MCC310$64,973$32,48715.6x
OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC580$239,076$119,53814.1x
DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH CC439$110,308$55,15414.1x
LAPAROSCOPIC CHOLECYSTECTOMY WITHOUT C.D.E. WITHOUT CC/MCC419$163,862$81,93114x
INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITH CC OR TPA IN 24 HOURS065$125,232$62,61613.8x
INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITHOUT CC/MCC066$81,321$40,66113.8x
ISCHEMIC STROKE, PRECEREBRAL OCCLUSION OR TRANSIENT ISCHEMIA WITH THROMBOLYTIC AGENT WIT062$261,056$130,52813.6x
CHEMOTHERAPY WITHOUT ACUTE LEUKEMIA AS SECONDARY DIAGNOSIS WITH CC847$171,190$85,59513.5x
SIGNS AND SYMPTOMS WITHOUT MCC948$93,142$46,57113.5x
FRACTURES OF HIP AND PELVIS WITH MCC535$175,378$87,68913.3x
BACK AND NECK PROCEDURES EXCEPT SPINAL FUSION WITHOUT CC/MCC520$179,667$89,83313.3x
SYNCOPE AND COLLAPSE312$106,160$53,08013.2x
PULMONARY EDEMA AND RESPIRATORY FAILURE189$153,199$76,59913.2x
FRACTURE, SPRAIN, STRAIN AND DISLOCATION EXCEPT FEMUR, HIP, PELVIS AND THIGH WITHOUT MCC563$85,927$42,96413.1x
NERVOUS SYSTEM NEOPLASMS WITH MCC054$262,896$131,44813.1x
OTHER DISORDERS OF NERVOUS SYSTEM WITH CC092$121,443$60,72112.8x
CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH CC309$85,633$42,81712.7x
CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH CC191$97,509$48,75412.7x
LYMPHOMA AND NON-ACUTE LEUKEMIA WITH CC841$187,235$93,61812.4x
DIABETES WITH MCC637$177,860$88,93012.3x
ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH CC281$99,715$49,85712.2x
ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC392$89,779$44,88912.1x
OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITHOUT CC/MCC517$165,990$82,99512.1x
BACK AND NECK PROCEDURES EXCEPT SPINAL FUSION WITH CC519$246,355$123,17712x
TRANSIENT ISCHEMIA WITHOUT THROMBOLYTIC069$86,618$43,30911.9x
OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC091$180,252$90,12611.8x
MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC640$177,973$88,98611.8x
ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITH MCC391$158,650$79,32511.7x
MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITHOUT MCC641$89,016$44,50811.7x
MAJOR SMALL AND LARGE BOWEL PROCEDURES WITHOUT CC/MCC331$197,869$98,93511.7x
ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH MCC280$185,395$92,69811.7x
INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH CC854$238,521$119,26011.6x
SEIZURES WITHOUT MCC101$97,220$48,61011.6x
SIMPLE PNEUMONIA AND PLEURISY WITH MCC193$144,166$72,08311.6x
LAPAROSCOPIC CHOLECYSTECTOMY WITHOUT C.D.E. WITH CC418$183,727$91,86311.6x
CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH CC026$460,506$230,25311.6x
OTHER DIGESTIVE SYSTEM DIAGNOSES WITH CC394$98,383$49,19111.5x
MAJOR SMALL AND LARGE BOWEL PROCEDURES WITH CC330$262,374$131,18711.5x
POSTOPERATIVE AND POST-TRAUMATIC INFECTIONS WITHOUT MCC863$110,839$55,42011.4x
KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC690$81,127$40,56311.3x
MALIGNANCY OF HEPATOBILIARY SYSTEM OR PANCREAS WITH MCC435$206,119$103,05911.3x
CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC190$111,897$55,94911.3x
LAPAROSCOPIC CHOLECYSTECTOMY WITHOUT C.D.E. WITH MCC417$279,419$139,70911.3x
OTHER FACTORS INFLUENCING HEALTH STATUS951$59,588$29,79411.2x
GASTROINTESTINAL OBSTRUCTION WITHOUT CC/MCC390$53,572$26,78611.2x
OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC698$194,788$97,39411.2x
PULMONARY EMBOLISM WITHOUT MCC176$85,023$42,51211.1x
CRANIAL AND PERIPHERAL NERVE DISORDERS WITHOUT MCC074$110,028$55,01411x

Showing 50 of 147 procedures

How JOHN MUIR MEDICAL CENTER - WALNUT CREEK CAMPUS compares to nearby hospitals

Comparison based on average markup ratios from federal hospital pricing data (FY 2024). Chargemaster rates are gross charges — they are not what most insured patients pay. Actual costs depend on your insurance plan, negotiated rates, and coverage terms. This comparison is for informational purposes only and does not constitute medical, financial, or legal advice. Verify costs directly with your provider and insurer.

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Pricing data from federal hospital transparency files and physician fee schedules. Last updated: . All data is publicly available under federal law.

Rates shown are from the 2026 Medicare Physician Fee Schedule and CMS IPPS. BillRazor compares your bill against these data sources. See how it works →

Related pricing data

Data: Federal hospital pricing data, updated annually. All data publicly available under federal law.

Methodology: Hospital gross charges divided by Medicare payment for the same DRG. A ratio of 3.0x means the hospital's listed price is 3 times what Medicare pays. Chargemaster rates are list prices — they are not what most insured patients pay. Grades measure pricing patterns only — not quality of care or clinical performance.

This information is for educational purposes only and is not medical, financial, or legal advice. Actual costs depend on your insurance and provider. We recommend verifying costs directly with your provider. Full methodology · Terms of use

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