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Hospitalist

Kiet Huynh, MD

Works at hospitals in Alton, IL · Belleville, IL · Illinois

Summary

Dr. Kiet Huynh, MD is a hospitalist at 1 Memorial Dr, Alton, IL 62002. Phone: (618) 463-7240. Accepts Medicare assignment. In 2024, Kiet Huynh had 126 Original Medicare patients and 131 services. NPI 1831769637. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Kiet Huynh, 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 Kiet Huynh accept Medicare assignment?
Yes. Medicare's clinician data says Kiet Huynh 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 Kiet Huynh see?
In 2024, CMS data shows 126 Original Medicare patients and 131 services for Kiet Huynh. This counts Original Medicare only and measures volume, not quality.
What is Kiet Huynh's NPI number?
1831769637. 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 Kiet Huynh, 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 patients126
Services billed to Medicare131
Different services or procedures4
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)68 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)59 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 blood pressure75%
  • High cholesterol75%
  • Arthritis70%
  • Ischemic heart disease65%
  • Heart failure61%
  • Chronic kidney disease55%

Hospitals where Kiet Huynh works

Medicare's Facility Affiliation Data lists Kiet Huynh 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.

  • Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
  • Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
  • OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 140052

Practice locations

Addresses where Kiet Huynh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kiet Huynh as a member of this group (CMS data updated October 2, 2026).

  • Fairview Heights Medical Group SC444 clinicians in the group

Specialties

Find other Hospitalist doctors in Illinois →

Other hospitalists in Alton

Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.

All hospitalists in Alton →

Other clinicians in Fairview Heights Medical Group SC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831769637
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