Quick answers
- Does Rashawn A. Sims accept Medicare assignment?
- Yes. Medicare's clinician data says Rashawn A. Sims 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 Rashawn A. Sims see?
- In 2024, CMS data shows 81 Original Medicare patients and 182 services for Rashawn A. Sims. This counts Original Medicare only and measures volume, not quality.
- What is Rashawn A. Sims's NPI number?
- 1225509763. 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 Rashawn A. Sims, 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 | 81 |
|---|---|
| Services billed to Medicare | 182 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)26 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)24 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)20 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 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 pressure67%
- High cholesterol60%
- Arthritis51%
- Diabetes32%
- Osteoporosis25%
- Anxiety22%
Practice locations
Addresses where Rashawn A. Sims is enrolled with Medicare (CMS data updated October 2, 2026).
- 2201 Oak Park AveBerwyn, IL 60402 (312) 324‑0222
- 4211 N Cicero AveChicago, IL 60641 (773) 794‑1000
- 6831 N AveOak Park, IL 60302 (847) 653‑0130
Group practices
Medicare enrollment lists Rashawn A. Sims as a member of this group (CMS data updated October 2, 2026).
- Physicians Immediate Care North Chicago LLC257 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Berwyn
Clinicians with the same Medicare primary specialty in Berwyn, IL — not a recommendation.
Other clinicians in Physicians Immediate Care North Chicago LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225509763 |
| 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
- 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