Texas / Memorial Hermann Katy Hospital
CMS certification 450847 · Katy, TX · 3 entries in CMS's price-transparency list
Memorial Hermann Katy Hospital: charges and Medicare payments
Memorial Hermann Katy Hospital reported 1,943 Medicare inpatient stays across 55 DRGs in 2024. Across them it charged 4.53 times what it was paid — mid-range in Texas, number 123 of 190 hospitals with at least 100 stays (state median 5.35×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 383 stays at an average charge of $66,417, 26% below the national average. It also billed 1,795 outpatient services, charging 11.1 times what Medicare paid.
- 1Medicare inpatient stays 1,943
- 2Charge ÷ paid, inpatient 4.53×
- 3Rank in TX (highest ratio = 1) 123 of 190
- 4CMS price-transparency actions 3
Inpatient stays
For the 55 DRGs that can be compared with the national average, Memorial Hermann Katy Hospital charged more than the national average in 8 (15%). 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 | 383 | $66,417 | -26% | $15,633 |
| 291 Heart Failure and Shock with MCC | 117 | $50,543 | -10% | $10,598 |
| 481 Hip and Femur Procedures except Major Joint with CC | 93 | $88,691 | -12% | $16,077 |
| 870 Septicemia or Severe Sepsis with MV >96 Hours | 65 | $147,868 | -54% | $46,860 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 62 | $50,694 | +3% | $9,501 |
| 177 Respiratory Infections and Inflammations with MCC | 60 | $56,687 | -20% | $13,141 |
| 378 Gastrointestinal Hemorrhage with CC | 58 | $54,926 | +13% | $8,693 |
| 193 Simple Pneumonia and Pleurisy with MCC | 48 | $48,917 | -18% | $10,578 |
| 522 Hip Replacement with Principal Diagnosis of Hip Fracture... | 48 | $94,741 | -7% | $16,820 |
| 689 Kidney and Urinary Tract Infections with MCC | 47 | $42,983 | -16% | $10,042 |
| 690 Kidney and Urinary Tract Infections without MCC | 43 | $39,626 | +5% | $7,514 |
| 189 Pulmonary Edema and Respiratory Failure | 42 | $45,333 | -21% | $10,512 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 42 | $36,405 | -9% | $7,856 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 41 | $59,743 | -21% | $12,823 |
| 682 Renal Failure with MCC | 39 | $53,859 | -18% | $11,899 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 36 | $56,442 | -6% | $11,538 |
| 683 Renal Failure with CC | 36 | $34,524 | -15% | $8,029 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 34 | $63,213 | -14% | $13,011 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 33 | $182,568 | -20% | $40,518 |
| 480 Hip and Femur Procedures except Major Joint with MCC | 29 | $108,496 | -22% | $22,096 |
| 377 Gastrointestinal Hemorrhage with MCC | 27 | $60,427 | -29% | $15,174 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 26 | $51,706 | -7% | $8,676 |
| 493 Lower Extremity and Humerus Procedures except Hip, Foot and... | 26 | $110,947 | -7% | $24,580 |
| 309 Cardiac Arrhythmia and Conduction Disorders with CC | 24 | $44,216 | +22% | $7,287 |
| 521 Hip Replacement with Principal Diagnosis of Hip Fracture... | 23 | $121,897 | -10% | $21,631 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 22 | $57,475 | -42% | $14,231 |
| 208 Respiratory System Diagnosis with Ventilator Support <=96... | 21 | $81,102 | -40% | $21,601 |
| 389 Gastrointestinal Obstruction with CC | 20 | $36,718 | -6% | $7,451 |
| 812 Red Blood Cell Disorders without MCC | 20 | $41,191 | -7% | $8,596 |
| 281 Acute Myocardial Infarction, Discharged Alive with CC | 19 | $46,870 | -7% | $8,610 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 19 | $40,224 | +9% | $7,429 |
| 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 18 | $54,618 | -11% | $10,814 |
| 270 Other Major Cardiovascular Procedures with MCC | 17 | $129,738 | -50% | $34,534 |
| 330 Major Small and Large Bowel Procedures with CC | 17 | $116,812 | -2% | $19,272 |
| 603 Cellulitis without MCC | 17 | $33,474 | -10% | $8,093 |
| 637 Diabetes with MCC | 17 | $44,241 | -33% | $11,493 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 16 | $68,761 | +21% | $10,309 |
| 552 Medical Back Problems without MCC | 16 | $42,891 | -12% | $8,261 |
| 638 Diabetes with CC | 16 | $36,775 | -12% | $8,863 |
| 699 Other Kidney and Urinary Tract Diagnoses with CC | 16 | $45,679 | -4% | $9,287 |
| 322 Percutaneous Cardiovascular Procedures with Intraluminal... | 15 | $85,142 | -26% | $15,834 |
| 314 Other Circulatory System Diagnoses with MCC | 14 | $81,770 | -14% | $15,522 |
| 467 Revision of Hip or Knee Replacement with CC | 14 | $133,845 | -15% | $31,225 |
| 516 Other Musculoskeletal System and Connective Tissue O.R.... | 14 | $89,006 | -12% | $17,455 |
| 854 Infectious and Parasitic Diseases with O.R. Procedures with... | 14 | $118,151 | +20% | $17,907 |
| 190 Chronic Obstructive Pulmonary Disease with MCC | 13 | $43,366 | -14% | $9,425 |
| 536 Fractures of Hip and Pelvis without MCC | 13 | $42,310 | +12% | $7,221 |
| 184 Major Chest Trauma with CC | 12 | $49,203 | -11% | $9,338 |
| 194 Simple Pneumonia and Pleurisy with CC | 12 | $34,286 | -11% | $7,609 |
| 243 Permanent Cardiac Pacemaker Implant with CC | 12 | $62,118 | -44% | $19,219 |
| 321 Percutaneous Cardiovascular Procedures with Intraluminal... | 12 | $99,764 | -39% | $27,094 |
| 811 Red Blood Cell Disorders with MCC | 12 | $50,301 | -26% | $11,728 |
| 242 Permanent Cardiac Pacemaker Implant with MCC | 11 | $87,837 | -45% | $25,352 |
| 286 Circulatory Disorders except AMI, with Cardiac... | 11 | $78,957 | -30% | $16,618 |
| 981 Extensive O.R. Procedures Unrelated To Principal Diagnosis... | 11 | $130,838 | -39% | $30,797 |
Outpatient services
Against the Texas average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Memorial Hermann Katy Hospital charged $66,417 on average, 40% less than the Texas average of $111,133, and was paid $15,633 against a state average of $16,694. For Heart Failure and Shock with MCC (DRG 291), Memorial Hermann Katy Hospital charged $50,543 on average, 26% less than the Texas average of $67,944, and was paid $10,598 against a state average of $11,820. For Hip and Femur Procedures except Major Joint with CC (DRG 481), Memorial Hermann Katy Hospital charged $88,691 on average, 31% less than the Texas average of $129,043, and was paid $16,077 against a state average of $17,871. For Septicemia or Severe Sepsis with MV >96 Hours (DRG 870), Memorial Hermann Katy Hospital charged $147,868 on average, 61% less than the Texas average of $380,428, and was paid $46,860 against a state average of $53,038. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $34,832 was 25% above the state average of $27,955. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $15,492 was 10% above the state average of $14,089. For Level 5 Musculoskeletal Procedures (outpatient APC 5115), its average charge of $64,972 was 34% below the state average of $98,771. For Level 5 Urology and Related Services (outpatient APC 5375), its average charge of $36,980 was 4% below the state average of $38,562.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Memorial Hermann Katy Hospital in Katy, TX, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Warning Notice — 2023-05-09 (CMS case 1379)
- Closure Notice — 2023-08-16 (CMS case 1379)
- Met Requirements — 2025-08-01 (CMS case 6095)
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.