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Family Practice

Mark A. Wargo, MD

Works at hospitals in Monmouth, IL · Peru, IL · Dixon, IL … · Illinois

Summary

Mark A. Wargo, MD (Family Practice) is listed by Medicare at 5 hospitals in Monmouth, IL, Peru, IL and Dixon, IL and other places. NPI 1457304156. 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. Wargo, 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
30Years since medical school (graduated 1996)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
OSF Multi-Specialty GroupGroup practice (+1 more)

Quick answers

Which hospitals does Mark A. Wargo work at?
Medicare's official clinician data lists Mark A. Wargo at 5 hospitals: OSF Holy Family Medical Center, OSF Saint Elizabeth MDL Center, OSF Saint Katharine Medical Center, OSF Saint Paul Medical Center and Saint James Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Wargo see patients?
Medicare's clinician data lists 3 practice locations, including Streator, IL and Peoria, IL. Call before your visit to confirm the address.
What is Mark A. Wargo's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mark A. Wargo accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Wargo 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. Wargo?
(815) 672-4587, as listed in official Medicare / NPI Registry data.
What is Mark A. Wargo's NPI number?
1457304156. 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. Wargo works

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

Group practices

Medicare enrollment lists Mark A. Wargo as a member of these groups (CMS data updated 2026-10-02).

  • OSF Multi-Specialty Group2,114 clinicians in the group
  • Saint James Hospital74 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Illinois

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

All family doctors in Illinois →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457304156
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