Quick answers
- Which hospitals does William Shaffer work at?
- Medicare's official clinician data lists William Shaffer at 1 hospital: CHRISTUS Spohn Hospital Corpus Christi. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Shaffer see patients?
- Medicare's clinician data lists 2 practice locations, including Corpus Christi, TX. Call before your visit to confirm the address.
- What is William Shaffer's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does William Shaffer accept Medicare assignment?
- Yes. Medicare's clinician data says William Shaffer 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.
- Does William Shaffer offer telehealth?
- Medicare's clinician data says William Shaffer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Shaffer?
- (361) 887-8451, as listed in official Medicare / NPI Registry data.
- What is William Shaffer's NPI number?
- 1972506913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William Shaffer works
Medicare's Facility Affiliation Data lists William Shaffer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Spohn Hospital Corpus ChristiCorpus Christi, TX · Acute Care Hospital · CCN 450046
Practice locations
Addresses where William Shaffer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1521 S Staples St, Suite 601Corpus Christi, TX 78404 (361) 887‑8451
- 5826 Esplanade Dr, Suite 204Corpus Christi, TX 78414 (361) 994‑4858
Group practices
Medicare enrollment lists William Shaffer as a member of this group (CMS data updated 2026-10-02).
- Kidney Specialists of South Texas, P.A.9 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Corpus Christi
Clinicians with the same Medicare primary specialty in Corpus Christi, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1972506913 |
| 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