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Registered Dietitian or Nutrition Professional

Argelia Morales Diaz

Sees patients in Hazel Crest, IL · Illinois

Summary

Argelia Morales Diaz is a dietitian at 3330 W 177th St, 1a, Hazel Crest, IL 60429. Phone: (708) 799-1100. Accepts Medicare assignment. NPI 1356213953. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Dietitian (Medicare lists Registered Dietitian or Nutrition Professional)
  • Address: 3330 W 177th St, 1a, Hazel Crest, IL 60429 · Directions
  • Phone: (708) 799‑1100
  • Medicare: Accepts Medicare assignment
  • Group practice: Advocate Health and Hospitals Corporation
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Argelia Morales Diaz, 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 Argelia Morales Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Argelia Morales Diaz 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 Argelia Morales Diaz's NPI number?
1356213953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Argelia Morales Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Argelia Morales Diaz as a member of this group (CMS data updated October 2, 2026).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other clinicians: Registered Dietitian or Nutrition Professional, Illinois →

Other dietitians in Illinois

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

All dietitians in Illinois →

Other clinicians in Advocate Health and Hospitals Corporation

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

Clinician information

Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356213953
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians