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Hematopoietic Cell Transplantation and Cellular Therapy

Sunita R. Nathan, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Sunita R. Nathan, MD is a cell transplant specialist at 1520 W Harrison St, Chicago, IL 60607. Phone: (312) 942-5904. Accepts Medicare assignment. In 2024, Sunita R. Nathan had 68 Original Medicare patients and 295 services. NPI 1023278892. 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.

  • Specialty: Cell transplant specialist (Medicare lists Hematopoietic Cell Transplantation and Cellular Therapy)
  • Address: 1520 W Harrison St, Chicago, IL 60607 · Directions (2 more locations)
  • Phone: (312) 942‑5904
  • Medicare: Accepts Medicare assignment
  • Hospital: Rush University Medical Center
  • Group practice: Rush University Medical Group
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sunita R. Nathan, 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 Sunita R. Nathan accept Medicare assignment?
Yes. Medicare's clinician data says Sunita R. Nathan 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 Sunita R. Nathan see?
In 2024, CMS data shows 68 Original Medicare patients and 295 services for Sunita R. Nathan. This counts Original Medicare only and measures volume, not quality.
What is Sunita R. Nathan's NPI number?
1023278892. 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 Sunita R. Nathan, 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 patients68
Services billed to Medicare295
Different services or procedures10
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)162 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)80 services

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 pressure75%
  • High cholesterol69%
  • Ischemic heart disease43%
  • Chronic kidney disease38%
  • Arthritis34%
  • Anxiety32%

Hospitals where Sunita R. Nathan works

Medicare's Facility Affiliation Data lists Sunita R. Nathan 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 Sunita R. Nathan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Rush University Medical Group1,551 clinicians in the group

Specialties

Find other Hematopoietic Cell Transplantation and Cellular Therapy doctors in Illinois →

Other cell transplant specialists in Chicago

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

All cell transplant specialists in Chicago →

Other clinicians in Rush University Medical Group

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023278892
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