Quick answers
- Does Anwer Z. Rahman accept Medicare assignment?
- Yes. Medicare's clinician data says Anwer Z. Rahman 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 Anwer Z. Rahman see?
- In 2024, CMS data shows 270 Original Medicare patients and 613 services for Anwer Z. Rahman. This counts Original Medicare only and measures volume, not quality.
- What is Anwer Z. Rahman's NPI number?
- 1326011354. 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 Anwer Z. Rahman, 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 | 270 |
|---|---|
| Services billed to Medicare | 613 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)192 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)168 services
- Hospital discharge day management, 30 minutes or less (99238)153 services
- Hospital discharge day management, more than 30 minutes (99239)40 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)30 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%
- Arthritis61%
- Ischemic heart disease56%
- Chronic kidney disease51%
- Anxiety48%
Hospitals where Anwer Z. Rahman works
Medicare's Facility Affiliation Data lists Anwer Z. Rahman 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.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
Practice locations
Addresses where Anwer Z. Rahman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 12251 S 80th AvePalos Heights, IL 60463 (708) 923‑5869
- 12251 S 80th Ave, Suite 1780Palos Heights, IL 60463 (708) 923‑3420
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 25 N Winfield RdWinfield, IL 60190
- 300 Randall RdGeneva, IL 60134 (630) 933‑4700
Group practices
Medicare enrollment lists Anwer Z. Rahman as a member of this group (CMS data updated October 2, 2026).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Palos Heights
Clinicians with the same Medicare primary specialty in Palos Heights, IL — not a recommendation.
Other clinicians in Central Dupage Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326011354 |
| 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