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Hematology/Oncology

Sudhir S. Sekhon, MD

Works at hospitals in Morris, IL · Winfield, IL · Princeton, IL … · Illinois

Summary

Dr. Sudhir S. Sekhon, MD is a hematologist-oncologist at 1200 Starfire Dr, Ottawa, IL 61350. Phone: (815) 431-9270. Accepts Medicare assignment. In 2024, Sudhir S. Sekhon had 478 Original Medicare patients and 126,822 services. NPI 1598763955. 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 Sudhir S. Sekhon, 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 Sudhir S. Sekhon accept Medicare assignment?
Yes. Medicare's clinician data says Sudhir S. Sekhon 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 Sudhir S. Sekhon see?
In 2024, CMS data shows 478 Original Medicare patients and 126,822 services for Sudhir S. Sekhon. This counts Original Medicare only and measures volume, not quality.
What is Sudhir S. Sekhon's NPI number?
1598763955. 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 Sudhir S. Sekhon, 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 patients478
Services billed to Medicare126,822
Different services or procedures127
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, pembrolizumab, 1 mg (J9271)17,600 services
  2. Injection, fosaprepitant, 1 mg (J1453)11,550 services
  3. Injection, nivolumab, 1 mg (J9299)10,680 services
  4. Injection, oxaliplatin, 0.5 mg (J9263)7,702 services
  5. Injection, paclitaxel, 1 mg (J9267)6,837 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 cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)57%
  • Arthritis48%
  • Ischemic heart disease36%
  • Diabetes35%

Hospitals where Sudhir S. Sekhon works

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

Group practices

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

  • Oncology-Hematology Associates of Central Illinois P C67 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Illinois

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

All hematologist-oncologists in Illinois →

Other clinicians in Oncology-Hematology Associates of Central Illinois P C

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

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598763955
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