Quick answers
- Which hospitals does Raul M. Portillo work at?
- Medicare's official clinician data lists Raul M. Portillo at 2 hospitals: Baptist Medical Center and Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Raul M. Portillo see patients?
- Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
- What is Raul M. Portillo's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does Raul M. Portillo accept Medicare assignment?
- Yes. Medicare's clinician data says Raul M. Portillo 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 Raul M. Portillo?
- (210) 224-6531, as listed in official Medicare / NPI Registry data.
- What is Raul M. Portillo's NPI number?
- 1265473391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Raul M. Portillo works
Medicare's Facility Affiliation Data lists Raul M. Portillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450058
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
Practice locations
Addresses where Raul M. Portillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 Brooklyn Ave, Suite 115San Antonio, TX 78212 (210) 224‑6531
Group practices
Medicare enrollment lists Raul M. Portillo 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 |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265473391 |
| 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