Quick answers
- Which hospitals does John S. Renshaw work at?
- Medicare's official clinician data lists John S. Renshaw at 1 hospital: Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John S. Renshaw see patients?
- Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
- What is John S. Renshaw's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does John S. Renshaw accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Renshaw 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 John S. Renshaw offer telehealth?
- Medicare's clinician data says John S. Renshaw offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John S. Renshaw?
- (210) 595-5300, as listed in official Medicare / NPI Registry data.
- What is John S. Renshaw's NPI number?
- 1518168442. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John S. Renshaw works
Medicare's Facility Affiliation Data lists John S. Renshaw at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
Practice locations
Addresses where John S. Renshaw is enrolled with Medicare (CMS data updated 2026-10-02).
- 5206 Research DrSan Antonio, TX 78240 (210) 595‑5300
Group practices
Medicare enrollment lists John S. Renshaw as a member of this group (CMS data updated 2026-10-02).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
- Medical Oncologyalso
Other hematologist-oncologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518168442 |
| 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