Quick answers
- Does Razan Al-Nahhas accept Medicare assignment?
- Medicare's clinician data says Razan Al-Nahhas may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Razan Al-Nahhas see?
- In 2024, CMS data shows 578 Original Medicare patients and 623 services for Razan Al-Nahhas. This counts Original Medicare only and measures volume, not quality.
- What is Razan Al-Nahhas's NPI number?
- 1134671647. 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 Razan Al-Nahhas, 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 | 578 |
|---|---|
| Services billed to Medicare | 623 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)298 services
- Emergency department visit with moderate level of medical decision making (99284)288 services
- Critical care, first 30-74 minutes (99291)14 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%
- Arthritis60%
- Chronic kidney disease35%
- Stroke or mini-stroke35%
- Ischemic heart disease34%
Hospitals where Razan Al-Nahhas works
Medicare's Facility Affiliation Data lists Razan Al-Nahhas 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.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
Practice locations
Addresses where Razan Al-Nahhas is enrolled with Medicare (CMS data updated October 2, 2026).
- PO BoxChicago, IL 60677
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie Col Of Osteopathic Medicine, Bradenton |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1134671647 |
| 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