Quick answers
- Does Willibaldo Ojeda Melendez accept Medicare assignment?
- Yes. Medicare's clinician data says Willibaldo Ojeda Melendez 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 Willibaldo Ojeda Melendez see?
- In 2024, CMS data shows 486 Original Medicare patients and 1,317 services for Willibaldo Ojeda Melendez. This counts Original Medicare only and measures volume, not quality.
- What is Willibaldo Ojeda Melendez's NPI number?
- 1689879009. 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 Willibaldo Ojeda Melendez, 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 | 486 |
|---|---|
| Services billed to Medicare | 1,317 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
- Insertion of needle into vein for collection of blood sample (36415)193 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)183 services
- Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm (93657)110 services
- Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation (93656)83 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%
- Atrial fibrillation71%
- Ischemic heart disease59%
- Heart failure56%
- Arthritis50%
Hospitals where Willibaldo Ojeda Melendez works
Medicare's Facility Affiliation Data lists Willibaldo Ojeda Melendez 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.
- Ballinger Memorial HospitalBallinger, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451310
- Heart of Texas Memorial HospitalBrady, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451348
- Shannon Medical CenterSan Angelo, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450571
Practice locations
Addresses where Willibaldo Ojeda Melendez is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 120 E Beauregard AveSan Angelo, TX 76903 (325) 747‑1511
- 120 E Harris AveSan Angelo, TX 76903 (325) 747‑6741
- 2142 Sunset DrSan Angelo, TX 76904 (325) 747‑1511
- 220 E Harris AveSan Angelo, TX 76903 (325) 747‑1511
- 2626 N Bryant BlvdSan Angelo, TX 76903
Group practices
Medicare enrollment lists Willibaldo Ojeda Melendez as a member of this group (CMS data updated October 2, 2026).
- Shannon Clinic559 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Shannon Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689879009 |
| 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