Quick answers
- Does Cherie R. Gilleon accept Medicare assignment?
- Yes. Medicare's clinician data says Cherie R. Gilleon 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 Cherie R. Gilleon see?
- In 2024, CMS data shows 18 Original Medicare patients and 74 services for Cherie R. Gilleon. This counts Original Medicare only and measures volume, not quality.
- What is Cherie R. Gilleon's NPI number?
- 1962638148. 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 Cherie R. Gilleon, 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 patients | 18 |
|---|---|
| Services billed to Medicare | 74 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 60 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
Hospitals where Cherie R. Gilleon works
Medicare's Facility Affiliation Data lists Cherie R. Gilleon 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
Practice locations
Addresses where Cherie R. Gilleon is enrolled with Medicare (CMS data updated October 2, 2026).
- 2831 N Milwaukee Ave, Apt 1Chicago, IL 60618 (773) 832‑8700
Specialties
- Family Practiceprimary
Other family doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Graduation year | 2007 (19 years since medical school) |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962638148 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians