Organization Profile
Memorial Hermann Health System is an organization based in Katy, TX and listed in the NPI registry under ambulatory surgical center. NPI 1124241229 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
Showing 12 of 83. The full list is in the Related Providers tab.
Source: CMS Care Compare, Hospital General Information, checked 2026-09-10.
1,943 Medicare discharges across 55 diagnosis groups (2024). Groups with fewer than 11 discharges are not published by CMS.
| Diagnosis group | DRG | Discharges | Avg. Medicare payment |
|---|---|---|---|
| Septicemia Or Severe Sepsis Without Mv >96 Hours With Mcc | 871 | 383 | $13,649 |
| Heart Failure and Shock With Mcc | 291 | 117 | $9,377 |
| Hip and Femur Procedures Except Major Joint With Cc | 481 | 93 | $14,586 |
| Septicemia Or Severe Sepsis With Mv >96 Hours | 870 | 65 | $43,955 |
| Septicemia Or Severe Sepsis Without Mv >96 Hours Without Mcc | 872 | 62 | $7,091 |
| Respiratory Infections and Inflammations With Mcc | 177 | 60 | $11,886 |
| Gastrointestinal Hemorrhage With Cc | 378 | 58 | $7,540 |
| Hip Replacement With Principal Diagnosis of Hip Fracture Without Mcc | 522 | 48 | $14,615 |
| Simple Pneumonia and Pleurisy With Mcc | 193 | 48 | $9,286 |
| Kidney and Urinary Tract Infections With Mcc | 689 | 47 | $8,165 |
Source: CMS Medicare Inpatient Hospitals by Provider and Service. Shows what the hospital admits Medicare patients for and what Medicare paid on average — not quality of care.
23900 KATY FWY
Katy, TX 77494
This rating is published by the Centers for Medicare & Medicaid Services (CMS) and is reproduced here unmodified.
Memorial Hermann Health System is an ambulatory surgical center in Katy, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Memorial Hermann Health System is listed at 23900 Katy Fwy, Katy, TX 77494. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (281) 644-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
Memorial Hermann Health System's National Provider Identifier is 1124241229. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Memorial Hermann Health System. If this is you, claiming it is free.
Guide.md
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