Quick answers
- Which hospitals does Calvin R. Plummer work at?
- Medicare's official clinician data lists Calvin R. Plummer at 4 hospitals: CHRISTUS Santa Rosa Hospital-San Marcos, CHRISTUS Santa Rosa Medical Center, CHRISTUS Spohn Hospital Corpus Christi and University Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin R. Plummer see patients?
- Medicare's clinician data lists 4 practice locations, including San Antonio, TX, Corpus Christi, TX and New Braunfels, TX. Call before your visit to confirm the address.
- What is Calvin R. Plummer's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Calvin R. Plummer accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin R. Plummer 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 Calvin R. Plummer?
- (210) 703-8000, as listed in official Medicare / NPI Registry data.
- What is Calvin R. Plummer's NPI number?
- 1821749367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin R. Plummer works
Medicare's Facility Affiliation Data lists Calvin R. Plummer 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
- CHRISTUS Santa Rosa Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450237
- CHRISTUS Spohn Hospital Corpus ChristiCorpus Christi, TX · Acute Care Hospital · CCN 450046
- University Health SystemSan Antonio, TX · Acute Care Hospital · CCN 450213
Practice locations
Addresses where Calvin R. Plummer is enrolled with Medicare (CMS data updated 2026-10-02).
- 11212 State Hwy 151San Antonio, TX 78251 (210) 703‑8000
- 4502 Medical DrSan Antonio, TX 78229 (210) 358‑2015
- 5950 Saratoga BlvdCorpus Christi, TX 78414 (361) 985‑5000
- 600 N Union AveNew Braunfels, TX 78130 (830) 606‑9111
Group practices
Medicare enrollment lists Calvin R. Plummer as a member of these groups (CMS data updated 2026-10-02).
- Community Medicine Associates605 clinicians in the group
- Gulf Coast Physician Services, PLLC110 clinicians in the group
- South Texas Physician Services, PLLC60 clinicians in the group
- Bexar Physician Services, PLLC25 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821749367 |
| 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