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Radiation Oncology

Eric C. Ko

Works at hospitals in Needham, MA · Boston, MA · Worcester, MA · Massachusetts

Summary

Eric C. Ko (Radiation Oncology) is listed by Medicare at 3 hospitals in Needham, MA, Boston, MA and Worcester, MA. NPI 1639345929. 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 Eric C. Ko, 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
18Years since medical school (graduated 2008)
State University Of New York At Buffalo School Of MedicineMedical school
MaleGender (as listed)
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup practice

Quick answers

Which hospitals does Eric C. Ko work at?
Medicare's official clinician data lists Eric C. Ko at 3 hospitals: Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Eric C. Ko see patients?
Medicare's clinician data lists 2 practice locations, including Needham, MA and Boston, MA. Call before your visit to confirm the address.
What is Eric C. Ko's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Eric C. Ko accept Medicare assignment?
Yes. Medicare's clinician data says Eric C. Ko 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 Eric C. Ko offer telehealth?
Medicare's clinician data says Eric C. Ko offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Eric C. Ko?
(781) 983-9088, as listed in official Medicare / NPI Registry data.
What is Eric C. Ko's NPI number?
1639345929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Eric C. Ko works

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

Group practices

Medicare enrollment lists Eric C. Ko as a member of this group (CMS data updated 2026-10-02).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Massachusetts →

Other radiation oncologists in Needham

Clinicians with the same Medicare primary specialty in Needham, MA — not a recommendation.

All radiation oncologists in Needham →

Clinician information

Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639345929
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