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

Medical Oncology

Colin Weekes, MD

Works at hospitals in Boston, MA · Newton, MA · Salem, MA · Massachusetts

Summary

Colin Weekes, MD (Medical Oncology) is listed by Medicare at 4 hospitals in Boston, MA, Newton, MA and Salem, MA. NPI 1043366750. 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 Colin Weekes, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
26Years since medical school (graduated 2000)
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+2 more)

Quick answers

Which hospitals does Colin Weekes work at?
Medicare's official clinician data lists Colin Weekes at 4 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, Newton-Wellesley Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Colin Weekes see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA. Call before your visit to confirm the address.
What is Colin Weekes's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Hematology.
Does Colin Weekes accept Medicare assignment?
Yes. Medicare's clinician data says Colin Weekes 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 Colin Weekes offer telehealth?
Medicare's clinician data says Colin Weekes offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Colin Weekes?
(617) 726-2000, as listed in official Medicare / NPI Registry data.
What is Colin Weekes's NPI number?
1043366750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Colin Weekes works

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

Group practices

Medicare enrollment lists Colin Weekes as a member of these groups (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other Medical Oncology doctors in Massachusetts →

Other oncologists in Boston

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

All oncologists in Boston →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043366750
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