Quick answers
- Does Wisam Z. Alfay accept Medicare assignment?
- Yes. Medicare's clinician data says Wisam Z. Alfay 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 Wisam Z. Alfay see?
- In 2024, CMS data shows 269 Original Medicare patients and 765 services for Wisam Z. Alfay. This counts Original Medicare only and measures volume, not quality.
- What is Wisam Z. Alfay's NPI number?
- 1831322536. 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 Wisam Z. Alfay, 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 | 269 |
|---|---|
| Services billed to Medicare | 765 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)213 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)179 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)147 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)82 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)50 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%
- Diabetes52%
- Ischemic heart disease52%
- Heart failure52%
- Atrial fibrillation52%
Hospitals where Wisam Z. Alfay works
Medicare's Facility Affiliation Data lists Wisam Z. Alfay 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.
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050701
- Temecula Valley HospitalTemecula, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050775
Practice locations
Addresses where Wisam Z. Alfay is enrolled with Medicare (CMS data updated October 2, 2026).
- 26960 Cherry Hills Blvd, Suite CSun City, CA 92586 (951) 301‑0300
- 27450 Ynez Rd, Suite 109Temecula, CA 92591 (951) 587‑0070
Group practices
Medicare enrollment lists Wisam Z. Alfay as a member of this group (CMS data updated October 2, 2026).
- Sarsam Cardiology a Professional Corporation4 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Sun City
Clinicians with the same Medicare primary specialty in Sun City, CA — not a recommendation.
Other clinicians in Sarsam Cardiology a Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831322536 |
| 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