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Dermatology

Aliza Hasan, MD

Sees patients in Mount Vernon, IL · Glen Carbon, IL · Illinois

Summary

Dr. Aliza Hasan, MD is a dermatologist at 4107 S Water Tower Pl, Mount Vernon, IL 62864. Phone: (618) 244-0031. Accepts Medicare assignment. NPI 1518581149. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 4107 S Water Tower Pl, Mount Vernon, IL 62864 · Directions (1 more location)
  • Phone: (618) 244‑0031
  • Medicare: Accepts Medicare assignment
  • Group practice: United Skin Specialists Illinois Ltd PC
  • Medical school: Southern Illinois University School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Aliza Hasan, 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 Aliza Hasan accept Medicare assignment?
Yes. Medicare's clinician data says Aliza Hasan 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 Aliza Hasan's NPI number?
1518581149. 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 Aliza Hasan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Aliza Hasan as a member of this group (CMS data updated October 2, 2026).

  • United Skin Specialists Illinois Ltd PC12 clinicians in the group

Specialties

Find other Dermatology doctors in Illinois →

Other dermatologists in Illinois

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

All dermatologists in Illinois →

Other clinicians in United Skin Specialists Illinois Ltd PC

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

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518581149
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