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Hematology/Oncology

Manjeet S. Chawla, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Manjeet S. Chawla, MD is a hematologist-oncologist at 850 W Irving Park Rd, Chicago, IL 60613. Phone: (773) 525-6780. Accepts Medicare assignment. In 2024, Manjeet S. Chawla had 303 Original Medicare patients and 3,781 services. NPI 1902910425. 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 Manjeet S. Chawla, 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 Manjeet S. Chawla accept Medicare assignment?
Yes. Medicare's clinician data says Manjeet S. Chawla 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 Manjeet S. Chawla see?
In 2024, CMS data shows 303 Original Medicare patients and 3,781 services for Manjeet S. Chawla. This counts Original Medicare only and measures volume, not quality.
What is Manjeet S. Chawla's NPI number?
1902910425. 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 Manjeet S. Chawla, 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 patients303
Services billed to Medicare3,781
Different services or procedures11
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,975 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)472 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)138 services
  4. Hospital discharge day management, 30 minutes or less (99238)111 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)36 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 cholesterol67%
  • Diabetes57%
  • Arthritis53%
  • Osteoporosis52%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)38%

Hospitals where Manjeet S. Chawla works

Medicare's Facility Affiliation Data lists Manjeet S. Chawla 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 Manjeet S. Chawla is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Manjeet S. Chawla as a member of this group (CMS data updated October 2, 2026).

  • Thorek Memorial Hospital50 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Chicago

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

All hematologist-oncologists in Chicago →

Other clinicians in Thorek Memorial Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902910425
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