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Psychiatry

Ronald J. Johnson, MD

Works at hospitals in Fairfield, IL · Benton, IL · McLeansboro, IL … · Illinois

Summary

Ronald J. Johnson, MD (Psychiatry) is listed by Medicare at 5 hospitals in Fairfield, IL, Benton, IL and McLeansboro, IL and other places. NPI 1679571897. 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 Ronald J. Johnson, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
Southern Illinois University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Ronald J. Johnson work at?
Medicare's official clinician data lists Ronald J. Johnson at 5 hospitals: Fairfield Memorial Hospital 1, Franklin Hospital, Hamilton Memorial Hospital, Massac Memorial Hospital and Pinckneyville Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ronald J. Johnson see patients?
Medicare's clinician data lists 8 practice locations, including Eldorado, IL, Benton, IL and Mount Carmel, IL. Call before your visit to confirm the address.
What is Ronald J. Johnson's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Ronald J. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Ronald J. Johnson 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.
Does Ronald J. Johnson offer telehealth?
Medicare's clinician data says Ronald J. Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ronald J. Johnson?
(618) 273-2273, as listed in official Medicare / NPI Registry data.
What is Ronald J. Johnson's NPI number?
1679571897. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ronald J. Johnson works

Medicare's Facility Affiliation Data lists Ronald J. Johnson 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 Ronald J. Johnson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Specialties

Find other Psychiatry doctors in Illinois →

Other psychiatrists in Illinois

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

All psychiatrists in Illinois →

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1679571897
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