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Family Practice

Christina R. Valerio, MD

Works at hospitals in O Fallon, IL · Illinois

Summary

Dr. Christina R. Valerio, MD is a family doctor at 3 Saint Elizabeth Blvd, Suite 4000, O Fallon, IL 62269. Phone: (618) 233-5480. Accepts Medicare assignment. NPI 1942738174. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 3 Saint Elizabeth Blvd, Suite 4000, O Fallon, IL 62269 · Directions
  • Phone: (618) 233‑5480
  • Medicare: Accepts Medicare assignment
  • Hospital: HSHS St Elizabeth's Hospital
  • Group practice: Southern Illinois Healthcare Foundation Inc
  • Medical school: Tufts University School Of Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Christina R. Valerio, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christina R. Valerio accept Medicare assignment?
Yes. Medicare's clinician data says Christina R. Valerio accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Christina R. Valerio's NPI number?
1942738174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christina R. Valerio works

Medicare's Facility Affiliation Data lists Christina R. Valerio at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187

Practice locations

Addresses where Christina R. Valerio is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christina R. Valerio as a member of this group (CMS data updated October 2, 2026).

  • Southern Illinois Healthcare Foundation Inc119 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 →

Other clinicians in Southern Illinois Healthcare Foundation Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942738174
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians