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Family Practice

Mark A. Passerman, DO

Works at hospitals in Morris, IL · Peru, IL · Kankakee, IL … · Illinois

Summary

Mark A. Passerman, DO (Family Practice) is listed by Medicare at 4 hospitals in Morris, IL, Peru, IL and Kankakee, IL and other places. NPI 1851404313. 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 Mark A. Passerman, 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
24Years since medical school (graduated 2002)
College Of Osteopathic Physicians And Surgeons Of Los AngelesMedical school
MaleGender (as listed)
Morris HospitalGroup practice

Quick answers

Which hospitals does Mark A. Passerman work at?
Medicare's official clinician data lists Mark A. Passerman at 4 hospitals: Morris Hospital & Healthcare Centers, OSF Saint Elizabeth MDL Ctr, Riverside Medical Center and Saint James Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Passerman see patients?
Medicare's clinician data lists 1 practice location in Dwight, IL. Call before your visit to confirm the address.
What is Mark A. Passerman's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mark A. Passerman accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Passerman 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 Mark A. Passerman?
(815) 584-3291, as listed in official Medicare / NPI Registry data.
What is Mark A. Passerman's NPI number?
1851404313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Passerman works

Medicare's Facility Affiliation Data lists Mark A. Passerman 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 Mark A. Passerman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Morris Hospital115 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Dwight

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

All family doctors in Dwight →

Clinician information

CredentialDO
Medical schoolCollege Of Osteopathic Physicians And Surgeons Of Los Angeles
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851404313
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