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Anesthesiology

Leili T. Khorassani, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Leili T. Khorassani, MD is an anesthesiologist at 5841 S Maryland Ave, Chicago, IL 60637. Phone: (888) 824-0200. Accepts Medicare assignment. In 2024, Leili T. Khorassani had 42 Original Medicare patients and 49 services. NPI 1588048094. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Leili T. Khorassani, 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 Leili T. Khorassani accept Medicare assignment?
Yes. Medicare's clinician data says Leili T. Khorassani 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.
How many Medicare patients does Leili T. Khorassani see?
In 2024, CMS data shows 42 Original Medicare patients and 49 services for Leili T. Khorassani. This counts Original Medicare only and measures volume, not quality.
What is Leili T. Khorassani's NPI number?
1588048094. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Leili T. Khorassani, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients42
Services billed to Medicare49
Different services or procedures34
Participating Medicare providerYes
Average age of these patients69

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure71%
  • High cholesterol67%
  • Arthritis50%
  • Ischemic heart disease43%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
  • Chronic kidney disease29%

Hospitals where Leili T. Khorassani works

Medicare's Facility Affiliation Data lists Leili T. Khorassani 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 Leili T. Khorassani is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Leili T. Khorassani as a member of this group (CMS data updated October 2, 2026).

  • University of Chicago1,712 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Chicago

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

All anesthesiologists in Chicago →

Other clinicians in University of Chicago

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588048094
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians