California / Marinhealth Medical Center
CMS certification 050360 · Greenbrae, CA · 7 entries in CMS's price-transparency list
Marinhealth Medical Center: charges and Medicare payments
Marinhealth Medical Center reported 3,013 Medicare inpatient stays across 94 DRGs in 2024. Across them it charged 8.87 times what it was paid — among the higher ratios in California, number 29 of 247 hospitals with at least 100 stays (state median 5.18×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 399 stays at an average charge of $199,863, 121% above the national average. It also billed 3,899 outpatient services, charging 13.51 times what Medicare paid.
- 1Medicare inpatient stays 3,013
- 2Charge ÷ paid, inpatient 8.87×
- 3Rank in CA (highest ratio = 1) 29 of 247
- 4CMS price-transparency actions 7
Inpatient stays
For the 94 DRGs that can be compared with the national average, Marinhealth Medical Center charged more than the national average in 94 (100%). Payments follow Medicare's rates, so they usually vary far less than charges.
| DRG | Stays | Avg charge | vs US | Avg paid |
|---|---|---|---|---|
| 871 Septicemia or Severe Sepsis without MV >96 Hours with MCC | 399 | $199,863 | +121% | $22,657 |
| 291 Heart Failure and Shock with MCC | 138 | $138,111 | +145% | $14,720 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 90 | $112,216 | +129% | $11,575 |
| 177 Respiratory Infections and Inflammations with MCC | 79 | $146,618 | +108% | $18,202 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 74 | $151,372 | +100% | $18,291 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 65 | $156,110 | +113% | $18,089 |
| 309 Cardiac Arrhythmia and Conduction Disorders with CC | 64 | $86,970 | +141% | $8,966 |
| 552 Medical Back Problems without MCC | 55 | $119,350 | +144% | $10,760 |
| 274 Percutaneous and Other Intracardiac Procedures without MCC | 54 | $210,842 | +35% | $36,008 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 54 | $84,469 | +110% | $9,069 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 53 | $129,624 | +133% | $11,416 |
| 322 Percutaneous Cardiovascular Procedures with Intraluminal... | 53 | $252,499 | +120% | $21,234 |
| 281 Acute Myocardial Infarction, Discharged Alive with CC | 52 | $110,741 | +119% | $10,422 |
| 193 Simple Pneumonia and Pleurisy with MCC | 48 | $129,741 | +117% | $14,814 |
| 189 Pulmonary Edema and Respiratory Failure | 46 | $132,518 | +130% | $14,214 |
| 378 Gastrointestinal Hemorrhage with CC | 46 | $121,388 | +150% | $11,342 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 46 | $482,185 | +111% | $62,916 |
| 603 Cellulitis without MCC | 45 | $76,593 | +105% | $10,131 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 44 | $167,428 | +68% | $20,649 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 43 | $105,331 | +184% | $9,256 |
| 481 Hip and Femur Procedures except Major Joint with CC | 42 | $234,172 | +132% | $23,171 |
| 266 Endovascular Cardiac Valve Replacement and Supplement... | 41 | $437,204 | +53% | $68,551 |
| 312 Syncope and Collapse | 40 | $102,947 | +126% | $10,027 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 39 | $140,315 | +148% | $13,867 |
| 470 Major Hip and Knee Joint Replacement or Reattachment of... | 39 | $218,901 | +135% | $21,353 |
| 682 Renal Failure with MCC | 39 | $126,507 | +92% | $16,278 |
| 100 Seizures with MCC | 36 | $201,434 | +113% | $22,216 |
| 190 Chronic Obstructive Pulmonary Disease with MCC | 35 | $137,109 | +171% | $13,677 |
| 690 Kidney and Urinary Tract Infections without MCC | 35 | $97,707 | +158% | $9,300 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 33 | $151,394 | +151% | $15,200 |
| 178 Respiratory Infections and Inflammations with CC | 30 | $93,208 | +106% | $11,102 |
| 267 Endovascular Cardiac Valve Replacement and Supplement... | 30 | $409,123 | +85% | $54,173 |
| 522 Hip Replacement with Principal Diagnosis of Hip Fracture... | 29 | $235,960 | +131% | $24,146 |
| 563 Fracture, Sprain, Strain and Dislocation except Femur, Hip,... | 28 | $91,651 | +115% | $10,154 |
| 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 26 | $168,602 | +176% | $15,034 |
| 536 Fractures of Hip and Pelvis without MCC | 26 | $80,956 | +115% | $9,050 |
| 069 Transient Ischemia without Thrombolytic | 24 | $111,914 | +122% | $9,278 |
| 286 Circulatory Disorders except AMI, with Cardiac... | 24 | $226,253 | +102% | $24,447 |
| 287 Circulatory Disorders except AMI, with Cardiac... | 24 | $145,221 | +127% | $12,551 |
| 330 Major Small and Large Bowel Procedures with CC | 24 | $268,315 | +125% | $25,821 |
| 389 Gastrointestinal Obstruction with CC | 24 | $79,903 | +105% | $9,208 |
| 683 Renal Failure with CC | 24 | $87,260 | +114% | $10,031 |
| 057 Degenerative Nervous System Disorders without MCC | 23 | $133,002 | +135% | $15,203 |
| 699 Other Kidney and Urinary Tract Diagnoses with CC | 23 | $90,838 | +91% | $11,524 |
| 092 Other Disorders of Nervous System with CC | 22 | $112,775 | +119% | $11,855 |
| 101 Seizures without MCC | 22 | $116,210 | +138% | $10,329 |
| 321 Percutaneous Cardiovascular Procedures with Intraluminal... | 21 | $361,425 | +121% | $32,716 |
| 377 Gastrointestinal Hemorrhage with MCC | 21 | $188,922 | +121% | $21,054 |
| 176 Pulmonary Embolism without MCC | 20 | $95,724 | +131% | $9,471 |
| 310 Cardiac Arrhythmia and Conduction Disorders without CC/MCC | 20 | $76,593 | +167% | $6,617 |
| 689 Kidney and Urinary Tract Infections with MCC | 19 | $90,862 | +77% | $12,447 |
| 175 Pulmonary Embolism with MCC or Acute Cor Pulmonale | 18 | $109,450 | +68% | $15,760 |
| 551 Medical Back Problems with MCC | 18 | $199,834 | +154% | $18,967 |
| 948 Signs and Symptoms without MCC | 18 | $97,721 | +157% | $9,308 |
| 066 Intracranial Hemorrhage or Cerebral Infarction without... | 17 | $102,850 | +143% | $8,050 |
| 314 Other Circulatory System Diagnoses with MCC | 17 | $237,334 | +150% | $26,474 |
| 643 Endocrine Disorders with MCC | 17 | $124,110 | +67% | $17,130 |
| 897 Alcohol, Drug Abuse or Dependence without Rehabilitation... | 17 | $86,775 | +134% | $9,613 |
| 056 Degenerative Nervous System Disorders with MCC | 16 | $213,744 | +123% | $24,794 |
| 194 Simple Pneumonia and Pleurisy with CC | 16 | $86,303 | +125% | $10,217 |
Showing the 60 most frequent of 94 DRGs.
Outpatient services
Against the California average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Marinhealth Medical Center charged $199,863 on average, 40% more than the California average of $143,063, and was paid $22,657 against a state average of $23,020. For Heart Failure and Shock with MCC (DRG 291), Marinhealth Medical Center charged $138,111 on average, 37% more than the California average of $100,739, and was paid $14,720 against a state average of $15,556. For Septicemia or Severe Sepsis without MV >96 Hours without MCC (DRG 872), Marinhealth Medical Center charged $112,216 on average, 47% more than the California average of $76,120, and was paid $11,575 against a state average of $12,552. For Respiratory Infections and Inflammations with MCC (DRG 177), Marinhealth Medical Center charged $146,618 on average, 18% more than the California average of $124,302, and was paid $18,202 against a state average of $18,986. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $63,472 was 52% above the state average of $41,628. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $51,835 was 147% above the state average of $20,986. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $24,825 was 68% above the state average of $14,749. For Level 3 Urology and Related Services (outpatient APC 5373), its average charge of $33,236 was 87% above the state average of $17,793.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Marinhealth Medical Center in Greenbrae, CA, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Warning Notice — 2021-08-25 (CMS case 193)
- CAP Request — 2022-03-09 (CMS case 193)
- Closure Notice — 2022-11-18 (CMS case 193)
- Met Requirements — 2023-05-18 (CMS case 1636)
- CAP Request — 2024-08-22 (CMS case 2542)
- Closure Notice — 2024-11-26 (CMS case 2542)
- Met Requirements — 2025-07-31 (CMS case 6069)
A warning notice or corrective-action request is not a finding of wrongdoing; "Met Requirements" and closure notices record that CMS's review ended. Matched to this hospital by exact name, city and state.
Charges are the hospital's list prices averaged over its 2024 Medicare cases; payments are what those cases actually brought in. Neither is what you will pay. For a planned procedure, ask the hospital for its price estimate or, if you are uninsured or self-paying, a good-faith estimate.
Sources: CMS Medicare Inpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Medicare Outpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Hospital Price Transparency Enforcement Activities and Outcomes, July 2026. Checked 2026-10-24. Methodology.