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

Radiation Oncology

Alexander Chi, MD

Works at hospitals in Southbridge, MA · Leominster, MA · Worcester, MA · Massachusetts

Summary

Alexander Chi, MD (Radiation Oncology) is listed by Medicare at 3 hospitals in Southbridge, MA, Leominster, MA and Worcester, MA. NPI 1366604217. 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 Alexander Chi, 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
24Years since medical school (graduated 2002)
Virginia Commonwealth University, School Of MedicineMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does Alexander Chi work at?
Medicare's official clinician data lists Alexander Chi at 3 hospitals: UMass Memorial Health - Harrington Hospital, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Chi see patients?
Medicare's clinician data lists 2 practice locations, including Marlborough, MA and Worcester, MA. Call before your visit to confirm the address.
What is Alexander Chi's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Alexander Chi accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Chi 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 Alexander Chi offer telehealth?
Medicare's clinician data says Alexander Chi offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander Chi?
(508) 486-5521, as listed in official Medicare / NPI Registry data.
What is Alexander Chi's NPI number?
1366604217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Chi works

Medicare's Facility Affiliation Data lists Alexander Chi 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 Alexander Chi is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alexander Chi as a member of this group (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Massachusetts →

Other radiation oncologists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All radiation oncologists in Massachusetts →

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366604217
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