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General Surgery

Hannah Ngoc T. Ha, MD

Works at hospitals in Saint Louis, MO · Chesterfield, MO · Missouri

Summary

Dr. Hannah Ngoc T. Ha, MD is a general surgeon at 12401 Olive Blvd, Suite 202, Creve Coeur, MO 63141. Phone: (314) 834-2888. Accepts Medicare assignment. In 2024, Hannah Ngoc T. Ha had 159 Original Medicare patients and 410 services. NPI 1144223355. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 12401 Olive Blvd, Suite 202, Creve Coeur, MO 63141 · Directions
  • Phone: (314) 834‑2888
  • Medicare: Accepts Medicare assignment
  • Hospitals: Christian Hospital Northeast, St Lukes Hospital
  • Medical school: Georgetown University School Of Medicine · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hannah Ngoc T. Ha, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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 patients159
Services billed to Medicare410
Different services or procedures25
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Diagnostic exam of rectum and lower large bowel using an endoscope (45300)158 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)71 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)56 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
  5. 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.

Practice locations

Addresses where Hannah Ngoc T. Ha is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in Missouri →

Other general surgeons in Creve Coeur

Clinicians with the same Medicare primary specialty in Creve Coeur, MO — not a recommendation.

All general surgeons in Creve Coeur →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144223355
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians