Quick answers
- Which hospitals does Pericles J. Ioannides work at?
- Medicare's official clinician data lists Pericles J. Ioannides at 4 hospitals: Adventist Health Sonora, Mark Twain Medical Center, Stanford Health Care and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Pericles J. Ioannides see patients?
- Medicare's clinician data lists 1 practice location in Sonora, CA. Call before your visit to confirm the address.
- What is Pericles J. Ioannides's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Pericles J. Ioannides accept Medicare assignment?
- Yes. Medicare's clinician data says Pericles J. Ioannides 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 Pericles J. Ioannides offer telehealth?
- Medicare's clinician data says Pericles J. Ioannides offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Pericles J. Ioannides?
- (209) 536-6925, as listed in official Medicare / NPI Registry data.
- What is Pericles J. Ioannides's NPI number?
- 1386007367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Pericles J. Ioannides works
Medicare's Facility Affiliation Data lists Pericles J. Ioannides at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · CCN 050335
- Mark Twain Medical CenterSan Andreas, CA · Critical Access Hospital · CCN 051332
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · CCN 050599
Practice locations
Addresses where Pericles J. Ioannides is enrolled with Medicare (CMS data updated 2026-10-02).
- 900 Mono WaySonora, CA 95370 (209) 536‑6925
Group practices
Medicare enrollment lists Pericles J. Ioannides as a member of this group (CMS data updated 2026-10-02).
- Sonora Community Hospital133 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386007367 |
| 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