Quick answers
- Does Waasil Kareem accept Medicare assignment?
- Yes. Medicare's clinician data says Waasil Kareem 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 Waasil Kareem see?
- In 2024, CMS data shows 431 Original Medicare patients and 1,379 services for Waasil Kareem. This counts Original Medicare only and measures volume, not quality.
- What is Waasil Kareem's NPI number?
- 1588003602. 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 Waasil Kareem, 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 | 431 |
|---|---|
| Services billed to Medicare | 1,379 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Critical care, first 30-74 minutes (99291)149 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)146 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)142 services
- Irrigation and suction of lung airways to obtain cells using an endoscope (31624)137 services
- Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope (31629)111 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)60%
- Arthritis44%
- Diabetes42%
- COPD39%
Practice locations
Addresses where Waasil Kareem is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 FivepointIrvine, CA 92618 (949) 671‑4673
Group practices
Medicare enrollment lists Waasil Kareem as a member of this group (CMS data updated October 2, 2026).
- City of Hope Medical Foundation982 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Other clinicians in City of Hope Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 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) | 1588003602 |
| 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
- 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