Quick answers
- Does James H. Henderson Ii accept Medicare assignment?
- Yes. Medicare's clinician data says James H. Henderson Ii 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 James H. Henderson Ii see?
- In 2024, CMS data shows 56 Original Medicare patients and 175 services for James H. Henderson Ii. This counts Original Medicare only and measures volume, not quality.
- What is James H. Henderson Ii's NPI number?
- 1275604837. 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 James H. Henderson Ii, 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 | 56 |
|---|---|
| Services billed to Medicare | 175 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Critical care, first 30-74 minutes (99291)61 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)47 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 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%
- Diabetes54%
- Chronic kidney disease52%
- Ischemic heart disease50%
- COPD50%
Hospitals where James H. Henderson Ii works
Medicare's Facility Affiliation Data lists James H. Henderson Ii 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 Santa Rosa Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450237
Practice locations
Addresses where James H. Henderson Ii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 11130 CHRISTUS HlsSan Antonio, TX 78251
- 11212 State Hwy, 151 Suite 230San Antonio, TX 78251 (830) 643‑7000
- 11212 State Hwy 151San Antonio, TX 78251
- 2026 S Jackson StJacksonville, TX 75766 (903) 541‑4599
- 2026 S Jackson St, CHRISTUS Trinity ClinicJacksonville, TX 75766 (903) 541‑4613
Group practices
Medicare enrollment lists James H. Henderson Ii as a member of this group (CMS data updated October 2, 2026).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
Specialties
Other critical care doctors in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, 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 |
|---|---|
| Medical school | Oral Roberts University School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275604837 |
| 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