Quick answers
- Does Trevor W. Desilva accept Medicare assignment?
- Yes. Medicare's clinician data says Trevor W. Desilva 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 Trevor W. Desilva see?
- In 2024, CMS data shows 193 Original Medicare patients and 196 services for Trevor W. Desilva. This counts Original Medicare only and measures volume, not quality.
- What is Trevor W. Desilva's NPI number?
- 1396895645. 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 Trevor W. Desilva, 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 | 193 |
|---|---|
| Services billed to Medicare | 196 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)58 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)29 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)25 services
- Anesthesia for lens surgery (00142)15 services
- Anesthesia for exam of colon using an endoscope (00812)14 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 pressure68%
- Arthritis54%
- Ischemic heart disease24%
- Diabetes23%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Trevor W. Desilva is enrolled with Medicare (CMS data updated October 2, 2026).
- 4501 N Winchester AveChicago, IL 60640 (773) 250‑0000
Group practices
Medicare enrollment lists Trevor W. Desilva as a member of this group (CMS data updated October 2, 2026).
- Midwest Anesthesia Partners LLC119 clinicians in the group
Specialties
- Anesthesiologyprimary
- Interventional Pain Managementalso
- Pain Managementalso
Other anesthesiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Midwest Anesthesia Partners LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396895645 |
| 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