Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Radiation Oncology

Terence T. Sio, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Terence T. Sio, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Phoenix, AZ. NPI 1811200736. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Terence T. Sio, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
16Years since medical school (graduated 2010)
Warren Alpert Medical School Of Brown UniversityMedical school
MaleGender (as listed)
Mayo Clinic ArizonaGroup practice

Quick answers

Which hospitals does Terence T. Sio work at?
Medicare's official clinician data lists Terence T. Sio at 1 hospital: Mayo Clinic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Terence T. Sio see patients?
Medicare's clinician data lists 1 practice location in Scottsdale, AZ. Call before your visit to confirm the address.
What is Terence T. Sio's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Terence T. Sio accept Medicare assignment?
Yes. Medicare's clinician data says Terence T. Sio 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 Terence T. Sio offer telehealth?
Medicare's clinician data says Terence T. Sio offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Terence T. Sio?
(480) 301-8000, as listed in official Medicare / NPI Registry data.
What is Terence T. Sio's NPI number?
1811200736. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Terence T. Sio works

Medicare's Facility Affiliation Data lists Terence T. Sio at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Terence T. Sio is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Terence T. Sio as a member of this group (CMS data updated 2026-10-02).

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Arizona →

Other radiation oncologists in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All radiation oncologists in Scottsdale →

Clinician information

CredentialMD
Medical schoolWarren Alpert Medical School Of Brown University
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811200736
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians