Quick answers
- Does Dena Z. Hamad accept Medicare assignment?
- Yes. Medicare's clinician data says Dena Z. Hamad 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 Dena Z. Hamad see?
- In 2024, CMS data shows 78 Original Medicare patients and 170 services for Dena Z. Hamad. This counts Original Medicare only and measures volume, not quality.
- What is Dena Z. Hamad's NPI number?
- 1427205400. 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 Dena Z. Hamad, 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 | 78 |
|---|---|
| Services billed to Medicare | 170 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Imaging for evaluation of swallowing function (74230)92 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)64 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%
- Arthritis63%
- Diabetes62%
- Alzheimer's disease or dementia59%
- Stroke or mini-stroke56%
Practice locations
Addresses where Dena Z. Hamad is enrolled with Medicare (CMS data updated October 2, 2026).
- 1542 W Devon AveChicago, IL 60660 (630) 835‑1430
- 228 E Lake StAddison, IL 60101 (630) 835‑1430
Group practices
Medicare enrollment lists Dena Z. Hamad as a member of this group (CMS data updated October 2, 2026).
- Hamdard Health Alliance16 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Hamdard Health Alliance
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427205400 |
| 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