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Physician Assistant

Kelsey Koenig, PA

Works at hospitals in O Fallon, IL · Illinois

Summary

Kelsey Koenig, PA is a physician assistant at 1 Memorial Dr, Alton, IL 62002. Phone: (618) 463-7240. Accepts Medicare assignment. In 2024, Kelsey Koenig had 188 Original Medicare patients and 416 services. NPI 1962973982. 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: Physician assistant
  • Address: 1 Memorial Dr, Alton, IL 62002 · Directions (2 more locations)
  • Phone: (618) 463‑7240
  • Medicare: Accepts Medicare assignment
  • Hospital: HSHS St Elizabeth's Hospital
  • Group practice: Fairview Heights Medical Group SC
  • School: Southern Illinois University School Of Medicine · graduated 2018
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsey Koenig, 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 Kelsey Koenig accept Medicare assignment?
Yes. Medicare's clinician data says Kelsey Koenig 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 Kelsey Koenig see?
In 2024, CMS data shows 188 Original Medicare patients and 416 services for Kelsey Koenig. This counts Original Medicare only and measures volume, not quality.
What is Kelsey Koenig's NPI number?
1962973982. 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 Kelsey Koenig, 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 patients188
Services billed to Medicare416
Different services or procedures29
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)111 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)108 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)33 services
  4. Urinalysis, manual test (81002)23 services
  5. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)16 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 pressure72%
  • Arthritis57%
  • Diabetes33%
  • Ischemic heart disease30%
  • Chronic kidney disease25%

Hospitals where Kelsey Koenig works

Medicare's Facility Affiliation Data lists Kelsey Koenig 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.

  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187

Practice locations

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

Group practices

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

  • Fairview Heights Medical Group SC444 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Alton

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

All physician assistants 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

CredentialPA
SchoolSouthern Illinois University School Of Medicine
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962973982
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