Quick answers
- Does Desi L. Dennis accept Medicare assignment?
- Yes. Medicare's clinician data says Desi L. Dennis 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 Desi L. Dennis see?
- In 2024, CMS data shows 1,997 Original Medicare patients and 4,149 services for Desi L. Dennis. This counts Original Medicare only and measures volume, not quality.
- What is Desi L. Dennis's NPI number?
- 1588846588. 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 Desi L. Dennis, 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 | 1,997 |
|---|---|
| Services billed to Medicare | 4,149 |
| Different services or procedures | 254 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)430 services
- Screening mammography (77067)344 services
- Screening 3d breast mammography (77063)338 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)193 services
- X-ray of chest, 2 views (71046)189 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 cholesterol75%
- Arthritis51%
- Ischemic heart disease43%
- Diabetes32%
- Chronic kidney disease28%
Hospitals where Desi L. Dennis works
Medicare's Facility Affiliation Data lists Desi L. Dennis 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.
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140258
- Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140135
- Pana Community HospitalPana, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141341
- St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166
- Warner Hospital and Health ServicesClinton, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141303
Practice locations
Addresses where Desi L. Dennis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1339 W Lake StAddison, IL 60101 (847) 981‑5767
- 1786 Moon Lake BlvdHoffman Est, IL 60194 (847) 755‑8208
- 2300 N Edward StDecatur, IL 62526 (217) 876‑8121
- 800 Biesterfield RdElk Grove Village, IL 60007
Group practices
Medicare enrollment lists Desi L. Dennis as a member of these groups (CMS data updated October 2, 2026).
- Decatur Memorial Hospital174 clinicians in the group
- Bonaventure Medical Foundation LLC167 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Addison
Clinicians with the same Medicare primary specialty in Addison, IL — not a recommendation.
Other clinicians in Decatur Memorial Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588846588 |
| 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