Quick answers
- Does Hannah Ngoc T. Ha accept Medicare assignment?
- Yes. Medicare's clinician data says Hannah Ngoc T. Ha accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Hannah Ngoc T. Ha see?
- In 2024, CMS data shows 159 Original Medicare patients and 410 services for Hannah Ngoc T. Ha. This counts Original Medicare only and measures volume, not quality.
- What is Hannah Ngoc T. Ha's NPI number?
- 1144223355. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Hannah Ngoc T. Ha, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 159 |
|---|---|
| Services billed to Medicare | 410 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Diagnostic exam of rectum and lower large bowel using an endoscope (45300)158 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)71 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)56 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
- Removal of external hemorrhoids by rubber banding (46221)29 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure69%
- Arthritis57%
- Anxiety31%
- Ischemic heart disease25%
- Depression23%
Hospitals where Hannah Ngoc T. Ha works
Medicare's Facility Affiliation Data lists Hannah Ngoc T. Ha at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260180
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179
Practice locations
Addresses where Hannah Ngoc T. Ha is enrolled with Medicare (CMS data updated October 2, 2026).
- 12401 Olive Blvd, Suite 202Creve Coeur, MO 63141 (314) 834‑2888
Specialties
Other general surgeons in Creve Coeur
Clinicians with the same Medicare primary specialty in Creve Coeur, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144223355 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians