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Family Practice

Nell A. Hennon, DO

Works at hospitals in O Fallon, IL · Belleville, IL · Springfield, IL … · Illinois

Summary

Nell A. Hennon, DO (Family Practice) is listed by Medicare at 5 hospitals in O Fallon, IL, Belleville, IL and Springfield, IL and other places. NPI 1992739221. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nell A. Hennon, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
College Of Osteopathic Physicians And Surgeons Of Los AngelesMedical school
FemaleGender (as listed)
HSHS Medical Group IncGroup practice

Quick answers

Which hospitals does Nell A. Hennon work at?
Medicare's official clinician data lists Nell A. Hennon at 5 hospitals: HSHS St Elizabeth's Hospital, Memorial Hospital, St Johns Hospital, St Joseph's Hospital and St Josephs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nell A. Hennon see patients?
Medicare's clinician data lists 3 practice locations, including Ofallon, IL, Springfield, IL and Decatur, IL. Call before your visit to confirm the address.
What is Nell A. Hennon's specialty?
Medicare lists Family Practice as the primary specialty.
Does Nell A. Hennon accept Medicare assignment?
Yes. Medicare's clinician data says Nell A. Hennon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nell A. Hennon?
(618) 624-5510, as listed in official Medicare / NPI Registry data.
What is Nell A. Hennon's NPI number?
1992739221. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nell A. Hennon works

Medicare's Facility Affiliation Data lists Nell A. Hennon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nell A. Hennon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nell A. Hennon as a member of this group (CMS data updated 2026-10-02).

  • HSHS Medical Group Inc219 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Ofallon

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

All family doctors in Ofallon →

Clinician information

CredentialDO
Medical schoolCollege Of Osteopathic Physicians And Surgeons Of Los Angeles
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992739221
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians