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Gastroenterology

Sharif Zubair, MD

Works at hospitals in Winfield, IL · Geneva, IL · Dekalb, IL … · Illinois

Summary

Dr. Sharif Zubair, MD is a gastroenterologist at 302 Randall Rd, Suite 105, Geneva, IL 60134. Phone: (630) 352-5450. Accepts Medicare assignment. In 2024, Sharif Zubair had 708 Original Medicare patients and 1,390 services. NPI 1316988033. 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 Sharif Zubair, 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 Sharif Zubair accept Medicare assignment?
Yes. Medicare's clinician data says Sharif Zubair 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 Sharif Zubair see?
In 2024, CMS data shows 708 Original Medicare patients and 1,390 services for Sharif Zubair. This counts Original Medicare only and measures volume, not quality.
What is Sharif Zubair's NPI number?
1316988033. 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 Sharif Zubair, 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 patients708
Services billed to Medicare1,390
Different services or procedures42
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Biopsy of large bowel using a flexible endoscope (45380)285 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)239 services
  3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)189 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)163 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)129 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 cholesterol75%
  • High blood pressure71%
  • Arthritis44%
  • Diabetes28%
  • Anxiety28%
  • Ischemic heart disease24%

Hospitals where Sharif Zubair works

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

Group practices

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

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Gastroenterology doctors in Illinois →

Other gastroenterologists in Geneva

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

All gastroenterologists in Geneva →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1316988033
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