Quick answers
- Which hospitals does Sean W. Calder work at?
- Medicare's official clinician data lists Sean W. Calder at 2 hospitals: CHRISTUS Santa Rosa Hospital-San Marcos and Legent Orthopedic + Spine. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean W. Calder see patients?
- Medicare's clinician data lists 5 practice locations, including San Marcos, TX, San Antonio, TX and New Braunfels, TX. Call before your visit to confirm the address.
- What is Sean W. Calder's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Sean W. Calder accept Medicare assignment?
- Yes. Medicare's clinician data says Sean W. Calder accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sean W. Calder?
- (512) 753-3525, as listed in official Medicare / NPI Registry data.
- What is Sean W. Calder's NPI number?
- 1861796583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean W. Calder works
Medicare's Facility Affiliation Data lists Sean W. Calder at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · CCN 450272
- Legent Orthopedic + SpineSan Antonio, TX · Acute Care Hospital · CCN 670112
Practice locations
Addresses where Sean W. Calder is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 Wonder World Dr, CHRISTUS Santa Rosa San MarcosSan Marcos, TX 78666 (512) 753‑3525
- 5330 N Loop 1604San Antonio, TX 78249 (469) 863‑9978
- 600 N Union AveNew Braunfels, TX 78130 (830) 606‑9111
- 7211 Preston Rd, Suite 2100Plano, TX 75024 (469) 303‑0104
- 7400 Barlite BlvdSan Antonio, TX 78224 (210) 921‑2000
Group practices
Medicare enrollment lists Sean W. Calder as a member of these groups (CMS data updated 2026-10-02).
- Emergenchealth PLLC1,056 clinicians in the group
- Orthomed Staffing LLC416 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in San Marcos
Clinicians with the same Medicare primary specialty in San Marcos, TX — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861796583 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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