Quick answers
- Does Syed S. Hassan accept Medicare assignment?
- Yes. Medicare's clinician data says Syed S. Hassan 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 Syed S. Hassan see?
- In 2024, CMS data shows 50 Original Medicare patients and 52 services for Syed S. Hassan. This counts Original Medicare only and measures volume, not quality.
- What is Syed S. Hassan's NPI number?
- 1902014962. 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 Syed S. Hassan, 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 | 50 |
|---|---|
| Services billed to Medicare | 52 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 services
- Critical care, first 30-74 minutes (99291)20 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%
- Arthritis72%
- Ischemic heart disease44%
- Chronic kidney disease44%
- Diabetes42%
Hospitals where Syed S. Hassan works
Medicare's Facility Affiliation Data lists Syed S. Hassan 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.
- Rush University Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140119
Practice locations
Addresses where Syed S. Hassan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1620 W Harrison StChicago, IL 60612
- 1653 W Congress PkwyChicago, IL 60612
- 1700 W Van Buren StChicago, IL 60612 (312) 563‑2875
- 2000 Ogden AveAurora, IL 60504 (312) 942‑6800
- 2000 Ogden Ave, Suite A1100Aurora, IL 60504 (630) 978‑6250
Group practices
Medicare enrollment lists Syed S. Hassan as a member of this group (CMS data updated October 2, 2026).
- Rush University Medical Group1,551 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Rush University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902014962 |
| 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