Quick answers
- Does Rany Jazayerli accept Medicare assignment?
- Yes. Medicare's clinician data says Rany Jazayerli 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 Rany Jazayerli see?
- In 2024, CMS data shows 929 Original Medicare patients and 5,695 services for Rany Jazayerli. This counts Original Medicare only and measures volume, not quality.
- What is Rany Jazayerli's NPI number?
- 1831197995. 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 Rany Jazayerli, 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 | 929 |
|---|---|
| Services billed to Medicare | 5,695 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)2,219 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)961 services
- Therapy procedure using ultraviolet radiation with tar or petroleum jelly application (96910)627 services
- Destruction of precancer skin growth, 1 growth (17000)612 services
- Destruction of skin growth, 1-14 growths (17110)301 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 cholesterol75%
- High blood pressure66%
- Arthritis46%
- Ischemic heart disease23%
- Diabetes18%
- Anxiety16%
Hospitals where Rany Jazayerli works
Medicare's Facility Affiliation Data lists Rany Jazayerli 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
Practice locations
Addresses where Rany Jazayerli is enrolled with Medicare (CMS data updated October 2, 2026).
- 1050 Chicago AveOak Park, IL 60302 (630) 443‑8855
- 2560 Foxfield Rd, Suite 100Saint Charles, IL 60174 (630) 443‑8855
Group practices
Medicare enrollment lists Rany Jazayerli as a member of this group (CMS data updated October 2, 2026).
- West Suburban Dermatology and Cosmetic Surgery5 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in West Suburban Dermatology and Cosmetic Surgery
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831197995 |
| 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