Quick answers
- Does Anis A. Rauf accept Medicare assignment?
- Yes. Medicare's clinician data says Anis A. Rauf 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 Anis A. Rauf see?
- In 2024, CMS data shows 609 Original Medicare patients and 2,049 services for Anis A. Rauf. This counts Original Medicare only and measures volume, not quality.
- What is Anis A. Rauf's NPI number?
- 1639259740. 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 Anis A. Rauf, 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 | 609 |
|---|---|
| Services billed to Medicare | 2,049 |
| Different services or procedures | 30 |
| 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 50 minutes (99233)546 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)328 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)232 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)230 services
- Home dialysis services per month (20 years or older) (90966)184 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%
- Chronic kidney disease75%
- Arthritis58%
- Ischemic heart disease56%
- Diabetes55%
Hospitals where Anis A. Rauf works
Medicare's Facility Affiliation Data lists Anis A. Rauf 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
- UChicago Medicine AdventHealth BolingbrookBolingbrook, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140304
- UChicago Medicine AdventHealth GlenoaksGlendale Heights, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140292
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140065
Practice locations
Addresses where Anis A. Rauf is enrolled with Medicare (CMS data updated October 2, 2026).
- 800 Biesterfield RdElk Grove Village, IL 60007 (847) 981‑3680
- 901 Biesterfield Rd, Suite 310Elk Grove Village, IL 60007 (847) 952‑9332
- 911 N Elm St, Suite 102Hinsdale, IL 60521 (630) 495‑9356
Group practices
Medicare enrollment lists Anis A. Rauf as a member of these groups (CMS data updated October 2, 2026).
- Nephrology Associates of Northern Illinois Ltd117 clinicians in the group
- Nani Elk Grove18 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
- Internal Medicinealso
- Nephrologyalso
Find other Critical Care (Intensivists) doctors in Illinois →
Other critical care doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Nephrology Associates of Northern Illinois Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639259740 |
| 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