Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Elizabeth A. Frost

Works at hospitals in O Fallon, IL · Illinois

Summary

Elizabeth A. Frost is a nurse practitioner at 1 Perryman St, Lebanon, IL 62254. Phone: (618) 537-6165. Accepts Medicare assignment. In 2024, Elizabeth A. Frost had 30 Original Medicare patients and 117 services. NPI 1992287379. 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: Nurse practitioner
  • Address: 1 Perryman St, Lebanon, IL 62254 · Directions (1 more location)
  • Phone: (618) 537‑6165
  • Medicare: Accepts Medicare assignment
  • Hospital: HSHS St Elizabeth's Hospital
  • Group practice: Post Acute Medical PLLC (+1 more)
  • School: University Of Virginia School Of Medicine · graduated 2012
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth A. Frost, 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 Elizabeth A. Frost accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth A. Frost 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 Elizabeth A. Frost see?
In 2024, CMS data shows 30 Original Medicare patients and 117 services for Elizabeth A. Frost. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth A. Frost's NPI number?
1992287379. 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 Elizabeth A. Frost, 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 patients30
Services billed to Medicare117
Different services or procedures8
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)45 services
  2. Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)33 services
  3. Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)13 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%
  • Arthritis75%
  • COPD67%
  • Heart failure60%
  • Depression53%

Hospitals where Elizabeth A. Frost works

Medicare's Facility Affiliation Data lists Elizabeth A. Frost 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 Elizabeth A. Frost is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elizabeth A. Frost as a member of these groups (CMS data updated October 2, 2026).

  • Post Acute Medical PLLC439 clinicians in the group
  • CMC Healthcare LLC141 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All nurse practitioners in Illinois →

Other clinicians in Post Acute Medical PLLC

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

Clinician information

SchoolUniversity Of Virginia School Of Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992287379
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