Quick answers
- Does Leslie Ammabel Ynalvez accept Medicare assignment?
- Yes. Medicare's clinician data says Leslie Ammabel Ynalvez 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 Leslie Ammabel Ynalvez see?
- In 2024, CMS data shows 238 Original Medicare patients and 302 services for Leslie Ammabel Ynalvez. This counts Original Medicare only and measures volume, not quality.
- What is Leslie Ammabel Ynalvez's NPI number?
- 1255837290. 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 Leslie Ammabel Ynalvez, 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 | 238 |
|---|---|
| Services billed to Medicare | 302 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)163 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)81 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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 cholesterol71%
- Arthritis53%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)53%
- Anxiety38%
- Ischemic heart disease35%
Practice locations
Addresses where Leslie Ammabel Ynalvez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1515 Holcombe BlvdHouston, TX 77030 (713) 792‑2121
Group practices
Medicare enrollment lists Leslie Ammabel Ynalvez as a member of this group (CMS data updated October 2, 2026).
- Physicians Referral Service2,765 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Physicians Referral Service
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255837290 |
| 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