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Internal Medicine

Jairo A. Mejia, MD

Works at hospitals in Winfield, IL · Illinois

Summary

Dr. Jairo A. Mejia, MD is an internal medicine doctor at 245 S Gary Ave Ll, Martin T Russo, Bloomingdale, IL 60108. Phone: (630) 893-5230. Accepts Medicare assignment. NPI 1952361164. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 245 S Gary Ave Ll, Martin T Russo, Bloomingdale, IL 60108 · Directions (1 more location)
  • Phone: (630) 893‑5230
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Medicine Central Dupage Hospital
  • Group practice: Access Community Health Network
  • Medical school: graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jairo A. Mejia, 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 Jairo A. Mejia accept Medicare assignment?
Yes. Medicare's clinician data says Jairo A. Mejia 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 Jairo A. Mejia's NPI number?
1952361164. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jairo A. Mejia works

Medicare's Facility Affiliation Data lists Jairo A. Mejia 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.

Practice locations

Addresses where Jairo A. Mejia is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jairo A. Mejia as a member of this group (CMS data updated October 2, 2026).

  • Access Community Health Network182 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Bloomingdale

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

All internal medicine doctors in Bloomingdale →

Other clinicians in Access Community Health Network

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

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952361164
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