Quick answers
- Does Alexis A. Leyva-Yanoff accept Medicare assignment?
- Yes. Medicare's clinician data says Alexis A. Leyva-Yanoff 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 Alexis A. Leyva-Yanoff see?
- In 2024, CMS data shows 23 Original Medicare patients and 23 services for Alexis A. Leyva-Yanoff. This counts Original Medicare only and measures volume, not quality.
- What is Alexis A. Leyva-Yanoff's NPI number?
- 1013356963. 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 Alexis A. Leyva-Yanoff, 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 | 23 |
|---|---|
| Services billed to Medicare | 23 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
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 pressure70%
Hospitals where Alexis A. Leyva-Yanoff works
Medicare's Facility Affiliation Data lists Alexis A. Leyva-Yanoff 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.
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390174
Practice locations
Addresses where Alexis A. Leyva-Yanoff is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 S 11th St, Suite 8490Philadelphia, PA 19107 (215) 955‑6161
- 900 Walnut St 2nd Floor, Jeff Hosp for NeuroPhiladelphia, PA 19107 (215) 955‑1234
Group practices
Medicare enrollment lists Alexis A. Leyva-Yanoff as a member of this group (CMS data updated October 2, 2026).
- Jefferson University Physicians1,531 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Pennsylvania →
Other nurse anesthetists in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Other clinicians in Jefferson University Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013356963 |
| 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