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Family Practice

Joseph M. Mossad, MD

Works at hospitals in Mount Vernon, IL · O Fallon, IL · Salem, IL … · Illinois

Summary

Joseph M. Mossad, MD (Family Practice) is listed by Medicare at 4 hospitals in Mount Vernon, IL, O Fallon, IL and Salem, IL and other places. NPI 1578183075. 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 Joseph M. Mossad, 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
6Years since medical school (graduated 2020)
Albany Medical College Of Union UniversityMedical school
MaleGender (as listed)
Cep America-Illinois Hospitalists, LLPGroup practice (+1 more)

Quick answers

Which hospitals does Joseph M. Mossad work at?
Medicare's official clinician data lists Joseph M. Mossad at 4 hospitals: Good Samaritan Regional Health Center, HSHS St Elizabeth's Hospital, Salem Township Hospital and SSM Health St Mary's Hospital -Centralia. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph M. Mossad see patients?
Medicare's clinician data lists 3 practice locations, including O Fallon, IL and Salem, IL. Call before your visit to confirm the address.
What is Joseph M. Mossad's specialty?
Medicare lists Family Practice as the primary specialty.
Does Joseph M. Mossad accept Medicare assignment?
Yes. Medicare's clinician data says Joseph M. Mossad 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 Joseph M. Mossad?
(618) 234-2120, as listed in official Medicare / NPI Registry data.
What is Joseph M. Mossad's NPI number?
1578183075. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph M. Mossad works

Medicare's Facility Affiliation Data lists Joseph M. Mossad 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 Joseph M. Mossad is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 234‑2120
  • 1201 Ricker RdSalem, IL 62881
  • 1321 W Whittaker St, Sth Family Health Care CenterSalem, IL 62881

Group practices

Medicare enrollment lists Joseph M. Mossad as a member of these groups (CMS data updated 2026-10-02).

  • Cep America-Illinois Hospitalists, LLP196 clinicians in the group
  • Salem Township Hospital24 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in O Fallon

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

All family doctors in O Fallon →

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578183075
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