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Anesthesiology

John D. Marshall, MD

Works at hospitals in Peoria, IL · Illinois

Summary

John D. Marshall, MD (Anesthesiology) is listed by Medicare at 1 hospital in Peoria, IL. NPI 1144219171. 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 John D. Marshall, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Washington University School Of MedicineMedical school
MaleGender (as listed)
Advanced Physical Therapy Services, Ltd.Group practice (+2 more)

Quick answers

Which hospitals does John D. Marshall work at?
Medicare's official clinician data lists John D. Marshall at 1 hospital: Saint Francis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John D. Marshall see patients?
Medicare's clinician data lists 4 practice locations, including Kewanee, IL and Peoria, IL. Call before your visit to confirm the address.
What is John D. Marshall's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does John D. Marshall accept Medicare assignment?
Yes. Medicare's clinician data says John D. Marshall 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 John D. Marshall?
(309) 853-5500, as listed in official Medicare / NPI Registry data.
What is John D. Marshall's NPI number?
1144219171. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John D. Marshall works

Medicare's Facility Affiliation Data lists John D. Marshall 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 John D. Marshall is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John D. Marshall as a member of these groups (CMS data updated 2026-10-02).

  • Advanced Physical Therapy Services, Ltd.223 clinicians in the group
  • Associated Anesthesiologists SC155 clinicians in the group
  • Saint Francis Medical Center20 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Illinois

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

All anesthesiologists in Illinois →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144219171
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