Quick answers
- Does Carl N. Israel accept Medicare assignment?
- Yes. Medicare's clinician data says Carl N. Israel 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 Carl N. Israel see?
- In 2024, CMS data shows 1,152 Original Medicare patients and 3,628 services for Carl N. Israel. This counts Original Medicare only and measures volume, not quality.
- What is Carl N. Israel's NPI number?
- 1396735122. 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 Carl N. Israel, 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 | 1,152 |
|---|---|
| Services billed to Medicare | 3,628 |
| Different services or procedures | 98 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)988 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)339 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)312 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)178 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)142 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%
- Arthritis57%
- Ischemic heart disease52%
- Atrial fibrillation38%
- Diabetes33%
Hospitals where Carl N. Israel works
Medicare's Facility Affiliation Data lists Carl N. Israel 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.
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450102
- CHRISTUS Mother Frances Hospital Sulphur SpringsSulphur Springs, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450236
- CHRISTUS Mother Frances Hospital- JacksonvilleJacksonville, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451319
- University of Texas Health Science Center at TylerTyler, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 450690
Practice locations
Addresses where Carl N. Israel is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 23; the Medicare profile lists all.
- 105 -II Medical Plz, CHRISTUS Trinity ClinicSulphur Springs, TX 75482 (903) 885‑5439
- 113 Airport RdSulphur Springs, TX 75482
- 115 Airport RdSulphur Springs, TX 75482 (903) 885‑7671
- 117 N Winnsboro StQuitman, TX 75783 (903) 763‑6333
- 125 Newman StFairfield, TX 75840 (903) 595‑2283
Group practices
Medicare enrollment lists Carl N. Israel as a member of this group (CMS data updated October 2, 2026).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
Specialties
Other interventional cardiologists in Sulphur Springs
Clinicians with the same Medicare primary specialty in Sulphur Springs, TX — not a recommendation.
Other clinicians in CHRISTUS Trinity Clinic Texas
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396735122 |
| 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