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

Hematology/Oncology

Caroline C. Block, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Newton, MA · Massachusetts

Summary

Caroline C. Block, MD (Hematology/Oncology) is listed by Medicare at 4 hospitals in Jamaica Plain, MA, Boston, MA and Newton, MA. NPI 1851368633. 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 Caroline C. Block, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
41Years since medical school (graduated 1985)
University Of Michigan Medical SchoolMedical school
FemaleGender (as listed)
Dana-Farber Cancer Institute, Inc.Group practice

Quick answers

Which hospitals does Caroline C. Block work at?
Medicare's official clinician data lists Caroline C. Block at 4 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital, Massachusetts General Hospital and Newton-Wellesley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Caroline C. Block see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA and Brighton, MA. Call before your visit to confirm the address.
What is Caroline C. Block's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Medical Oncology.
Does Caroline C. Block accept Medicare assignment?
Yes. Medicare's clinician data says Caroline C. Block 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 Caroline C. Block offer telehealth?
Medicare's clinician data says Caroline C. Block offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Caroline C. Block?
(617) 789-2903, as listed in official Medicare / NPI Registry data.
What is Caroline C. Block's NPI number?
1851368633. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Caroline C. Block works

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

Group practices

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

  • Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Boston

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

All hematologist-oncologists in Boston →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1851368633
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