Faizan M. Khan, MD

Medicare activity in 2024

Official CMS public-use data for Faizan M. Khan, 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.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)26 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)17 services
4. Biopsy of large bowel using a flexible endoscope (45380)16 services
5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)16 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%
• Arthritis44%
• Ischemic heart disease34%
• Diabetes31%
• Depression28%

Hospitals where Faizan M. Khan works

Medicare's Facility Affiliation Data lists Faizan M. Khan 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.

• Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
• Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211

Practice locations

Addresses where Faizan M. Khan is enrolled with Medicare (CMS data updated October 2, 2026).

• 25 N Winfield RdWinfield, IL 60190 (630) 682‑8700

Group practices

Medicare enrollment lists Faizan M. Khan as a member of this group (CMS data updated October 2, 2026).

• Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

• Internal Medicineprimary
• Gastroenterologyalso

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Winfield

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

• Leslie D. Mattson, MD
• Christina E. Bratis, MD
• Ghousia Wajida, MD
• Irina Domjan, MD
• Neha Sahni, MD
• Kelly E. Schlotman, MD
• Lisa A. Dunning, MD
• Lisa Groskopf, DO

All internal medicine doctors in Winfield →

Other clinicians in Northwestern Medical Faculty Foundation

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

• Whitny L. Wood
• Lee A. Everett, PT
• Rebecca R. Mladucky
• Shane M. York, DPM
• Eric Kamenetsky, MD
• Jason Benjamin, DO

Clinician information

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